Standards [standards] (7)  - Standard C e UNIX
UTF-8 [utf-8]        (7)  - una codifica Unicode multi-byte ASCII-compatibile
Unicode [unicode]    (7)  - l'insieme universale di caratteri
_Exit [exit]         (3p)  - terminate a process
_exit [exit]         (3p)  - terminate a process
_longjmp [_setjmp]   (3p)  - non-local goto
_setjmp              (3p)  - non-local goto
_syscall             (2)  - invoca una chiamata di sistema senza supporto di libreria (OBSOLETO)
_tolower             (3p)  - transliterate uppercase characters to lowercase
_toupper             (3p)  - transliterate lowercase characters to uppercase
a64l                 (3p)  - convert between a 32-bit integer and a radix-64 ASCII string
abort                (3p)  - generate an abnormal process abort
abs                  (3p)  - return an integer absolute value
accept               (3p)  - accept a new connection on a socket
access               (3p)  - determine accessibility of a file
acos                 (3p)  - arc cosine functions
acosf [acos]         (3p)  - arc cosine functions
acosh                (3p)  - inverse hyperbolic cosine functions
acoshf [acosh]       (3p)  - inverse hyperbolic cosine functions
acoshl [acosh]       (3p)  - inverse hyperbolic cosine functions
acosl [acos]         (3p)  - arc cosine functions
adjtime              (3)  - corregge l'orario per sincronizzare l'orologio di sistema
adjtimex             (2)  - regola l'orologio del kernel
admin                (1p)  - create and administer SCCS files (DEVELOPMENT)
afs_syscall [unimplemented] (2)  - chiamate di sistema non implementate
aio.h [aio]          (0p)  - asynchronous input and output (REALTIME)
aio_cancel           (3p)  - cancel an asynchronous I/O request (REALTIME)
aio_error            (3p)  - retrieve errors status for an asynchronous I/O operation (REALTIME)
aio_fsync            (3p)  - asynchronous file synchronization (REALTIME)
aio_read             (3p)  - asynchronous read from a file (REALTIME)
aio_return           (3p)  - retrieve return status of an asynchronous I/O operation (REALTIME)
aio_suspend          (3p)  - wait for an asynchronous I/O request (REALTIME)
aio_write            (3p)  - asynchronous write to a file (REALTIME)
alarm                (3p)  - schedule an alarm signal
alias                (1p)  - define or display aliases
apt-cdrom            (8)  - Strumento di APT per la gestione dei CDROM
ar                   (1)  - crea, modifica ed estrae da archivi
ar                   (1p)  - create and maintain library archives
arpa/inet.h [inet]   (0p)  - definitions for internet operations
asa                  (1p)  - interpret carriage-control characters
ascii                (7)  - l'insieme dei caratteri ASCII codificati in ottale, decimale e esadecimale
asctime              (3p)  - convert date and time to a string
asctime_r [asctime]  (3p)  - convert date and time to a string
asin                 (3p)  - arc sine function
asinf [asin]         (3p)  - arc sine function
asinh                (3p)  - inverse hyperbolic sine functions
asinhf [asinh]       (3p)  - inverse hyperbolic sine functions
asinhl [asinh]       (3p)  - inverse hyperbolic sine functions
asinl [asin]         (3p)  - arc sine function
assert               (3p)  - insert program diagnostics
assert.h [assert]    (0p)  - verify program assertion
at                   (1p)  - execute commands at a later time
atan                 (3p)  - arc tangent function
atan2                (3p)  - arc tangent functions
atan2f [atan2]       (3p)  - arc tangent functions
atan2l [atan2]       (3p)  - arc tangent functions
atanf [atan]         (3p)  - arc tangent function
atanh                (3p)  - inverse hyperbolic tangent functions
atanhf [atanh]       (3p)  - inverse hyperbolic tangent functions
atanhl [atanh]       (3p)  - inverse hyperbolic tangent functions
atanl [atan]         (3p)  - arc tangent function
atexit               (3p)  - register a function to run at process termination
atof                 (3p)  - convert a string to a double-precision number
atoi                 (3p)  - convert a string to an integer
atol                 (3p)  - convert a string to a long integer
atoll [atol]         (3p)  - convert a string to a long integer
awk                  (1p)  - pattern scanning and processing language
basename             (1p)  - return non-directory portion of a pathname
basename             (3p)  - return the last component of a pathname
batch                (1p)  - schedule commands to be executed in a batch queue
bc                   (1p)  - arbitrary-precision arithmetic language
bcmp                 (3p)  - memory operations (LEGACY)
bcopy                (3p)  - memory operations (LEGACY)
bg                   (1p)  - run jobs in the background
bind                 (3p)  - bind a name to a socket
bison                (1)  - Generatore GNU di analizzatore sintattico (sostituto di yacc)
break                (1p)  - exit from for, while, or until loop
break [unimplemented] (2)  - chiamate di sistema non implementate
bsd_signal           (3p)  - simplified signal facilities
bsearch              (3p)  - binary search a sorted table
btowc                (3p)  - single byte to wide character conversion
bzero                (3p)  - memory operations (LEGACY)
c++filt              (1)  - Demangle C++ and Java symbols
c99                  (1p)  - compile standard C programs
cabs                 (3p)  - return a complex absolute value
cabsf [cabs]         (3p)  - return a complex absolute value
cabsl [cabs]         (3p)  - return a complex absolute value
cacos                (3p)  - complex arc cosine functions
cacosf [cacos]       (3p)  - complex arc cosine functions
cacosh               (3p)  - complex arc hyperbolic cosine functions
cacoshf [cacosh]     (3p)  - complex arc hyperbolic cosine functions
cacoshl [cacosh]     (3p)  - complex arc hyperbolic cosine functions
cacosl [cacos]       (3p)  - complex arc cosine functions
cal                  (1p)  - print a calendar
calloc               (3p)  - a memory allocator
carg                 (3p)  - complex argument functions
cargf [carg]         (3p)  - complex argument functions
cargl [carg]         (3p)  - complex argument functions
casin                (3p)  - complex arc sine functions
casinf [casin]       (3p)  - complex arc sine functions
casinh               (3p)  - complex arc hyperbolic sine functions
casinhf [casinh]     (3p)  - complex arc hyperbolic sine functions
casinhl [casinh]     (3p)  - complex arc hyperbolic sine functions
casinl [casin]       (3p)  - complex arc sine functions
cat                  (1p)  - concatenate and print files
catan                (3p)  - complex arc tangent functions
catanf [catan]       (3p)  - complex arc tangent functions
catanh               (3p)  - complex arc hyperbolic tangent functions
catanhf [catanh]     (3p)  - complex arc hyperbolic tangent functions
catanhl [catanh]     (3p)  - complex arc hyperbolic tangent functions
catanl [catan]       (3p)  - complex arc tangent functions
catclose             (3p)  - close a message catalog descriptor
catgets              (3p)  - read a program message
catopen              (3p)  - open a message catalog
cbrt                 (3p)  - cube root functions
cbrtf [cbrt]         (3p)  - cube root functions
cbrtl [cbrt]         (3p)  - cube root functions
ccos                 (3p)  - complex cosine functions
ccosf [ccos]         (3p)  - complex cosine functions
ccosh                (3p)  - complex hyperbolic cosine functions
ccoshf [ccosh]       (3p)  - complex hyperbolic cosine functions
ccoshl [ccosh]       (3p)  - complex hyperbolic cosine functions
ccosl [ccos]         (3p)  - complex cosine functions
cd                   (1p)  - change the working directory
ceil                 (3p)  - ceiling value function
ceilf [ceil]         (3p)  - ceiling value function
ceill [ceil]         (3p)  - ceiling value function
cexp                 (3p)  - complex exponential functions
cexpf [cexp]         (3p)  - complex exponential functions
cexpl [cexp]         (3p)  - complex exponential functions
cfgetispeed          (3p)  - get input baud rate
cfgetospeed          (3p)  - get output baud rate
cflow                (1p)  - generate a C-language flowgraph (DEVELOPMENT)
cfsetispeed          (3p)  - set input baud rate
cfsetospeed          (3p)  - set output baud rate
charmap              (5)  - simboli di carattere per definire codifiche di carattere
charsets             (7)  - visione del programmatore degli insiemi di caratteri e dell'internazionalizzazione
chdir                (3p)  - change working directory
chgrp                (1p)  - change the file group ownership
chmod                (1p)  - change the file modes
chmod                (3p)  - change mode of a file
chown                (1p)  - change the file ownership
chown                (3p)  - change owner and group of a file
cimag                (3p)  - complex imaginary functions
cimagf [cimag]       (3p)  - complex imaginary functions
cimagl [cimag]       (3p)  - complex imaginary functions
cksum                (1p)  - write file checksums and sizes
clearerr             (3p)  - clear indicators on a stream
clock                (3p)  - report CPU time used
clock_getcpuclockid  (3p)  - access a process CPU-time clock (ADVANCED REALTIME)
clock_getres [clock_gettime] (3p)  - clock and timer functions (REALTIME)
clock_gettime        (3p)  - clock and timer functions (REALTIME)
clock_nanosleep      (3p)  - high resolution sleep with specifiable clock (ADVANCED REALTIME)
clock_settime [clock_gettime] (3p)  - clock and timer functions (REALTIME)
clog                 (3p)  - complex natural logarithm functions
clogf [clog]         (3p)  - complex natural logarithm functions
clogl [clog]         (3p)  - complex natural logarithm functions
close                (3p)  - close a file descriptor
closedir             (3p)  - close a directory stream
closelog [syslog]    (3p)  - control system log
cmp                  (1p)  - compare two files
colon                (1p)  - null utility
comm                 (1p)  - select or reject lines common to two files
command              (1p)  - execute a simple command
complex.h [complex]  (0p)  - complex arithmetic
compress             (1p)  - compress data
confstr              (3p)  - get configurable variables
conj                 (3p)  - complex conjugate functions
conjf [conj]         (3p)  - complex conjugate functions
conjl [conj]         (3p)  - complex conjugate functions
connect              (3p)  - connect a socket
console              (4)  - terminali console e console virtuali
continue             (1p)  - continue for, while, or until loop
copysign             (3p)  - number manipulation function
copysignf [copysign] (3p)  - number manipulation function
copysignl [copysign] (3p)  - number manipulation function
cos                  (3p)  - cosine function
cosf [cos]           (3p)  - cosine function
cosh                 (3p)  - hyperbolic cosine functions
coshf [cosh]         (3p)  - hyperbolic cosine functions
coshl [cosh]         (3p)  - hyperbolic cosine functions
cosl [cos]           (3p)  - cosine function
cp                   (1p)  - copy files
cpio.h [cpio]        (0p)  - cpio archive values
cpow                 (3p)  - complex power functions
cpowf [cpow]         (3p)  - complex power functions
cpowl [cpow]         (3p)  - complex power functions
cproj                (3p)  - complex projection functions
cprojf [cproj]       (3p)  - complex projection functions
cprojl [cproj]       (3p)  - complex projection functions
creal                (3p)  - complex real functions
crealf [creal]       (3p)  - complex real functions
creall [creal]       (3p)  - complex real functions
creat                (3p)  - create a new file or rewrite an existing one
crontab              (1p)  - schedule periodic background work
crypt                (3p)  - string encoding function (CRYPT)
csin                 (3p)  - complex sine functions
csinf [csin]         (3p)  - complex sine functions
csinh                (3p)  - complex hyperbolic sine functions
csinhf [csinh]       (3p)  - complex hyperbolic sine functions
csinhl [csinh]       (3p)  - complex hyperbolic sine functions
csinl [csin]         (3p)  - complex sine functions
csplit               (1p)  - split files based on context
csqrt                (3p)  - complex square root functions
csqrtf [csqrt]       (3p)  - complex square root functions
csqrtl [csqrt]       (3p)  - complex square root functions
ctags                (1p)  - create a tags file (DEVELOPMENT, FORTRAN)
ctan                 (3p)  - complex tangent functions
ctanf [ctan]         (3p)  - complex tangent functions
ctanh                (3p)  - complex hyperbolic tangent functions
ctanhf [ctanh]       (3p)  - complex hyperbolic tangent functions
ctanhl [ctanh]       (3p)  - complex hyperbolic tangent functions
ctanl [ctan]         (3p)  - complex tangent functions
ctermid              (3p)  - generate a pathname for the controlling terminal
ctime                (3p)  - convert a time value to a date and time string
ctime_r [ctime]      (3p)  - convert a time value to a date and time string
ctype.h [ctype]      (0p)  - character types
cut                  (1p)  - cut out selected fields of each line of a file
cxref                (1p)  - generate a C-language program cross-reference table (DEVELOPMENT)
daemon               (3)  - esegue sullo sfondo
date                 (1p)  - write the date and time
daylight [tzset]     (3p)  - set timezone conversion information
dbm_clearerr [dbm_open] (3p)  - database functions
dbm_close [dbm_open] (3p)  - database functions
dbm_delete [dbm_open] (3p)  - database functions
dbm_error [dbm_open] (3p)  - database functions
dbm_fetch [dbm_open] (3p)  - database functions
dbm_firstkey [dbm_open] (3p)  - database functions
dbm_nextkey [dbm_open] (3p)  - database functions
dbm_open             (3p)  - database functions
dbm_store [dbm_open] (3p)  - database functions
dd                   (1p)  - convert and copy a file
deb                  (5)  - Formato del pacchetto binario Debian
deb-control          (5)  - Formato del file principale di controllo dei pacchetti Debian
deb-make             (1)  - Debianizza un pacchetto sorgente
delta                (1p)  - make a delta (change) to an SCCS file (DEVELOPMENT)
df                   (1p)  - report free disk space
diff                 (1p)  - compare two files
difftime             (3p)  - compute the difference between two calendar time values
dirent.h [dirent]    (0p)  - format of directory entries
dirname              (1p)  - return the directory portion of a pathname
dirname              (3p)  - report the parent directory name of a file pathname
div                  (3p)  - compute the quotient and remainder of an integer division
dlclose              (3p)  - close a dlopen object
dlerror              (3p)  - get diagnostic information
dlfcn.h [dlfcn]      (0p)  - dynamic linking
dlopen               (3p)  - gain access to an executable object file
dlsym                (3p)  - obtain the address of a symbol from a dlopen object
dot                  (1p)  - execute commands in the current environment
dpkg                 (8)  - gestore a medio livello di pacchetti Debian
dpkg.cfg [dpkg]      (5)  - file di configurazione di dpkg
drand48              (3p)  - generate uniformly distributed pseudo-random numbers
dselect              (8)  - interfaccia a console per gestire pacchetti Debian
dselect.cfg [dselect] (5)  - file di configurazione di dselect
du                   (1p)  - estimate file space usage
dup                  (3p)  - duplicate an open file descriptor
dup2 [dup]           (3p)  - duplicate an open file descriptor
echo                 (1p)  - write arguments to standard output
ecvt                 (3p)  - convert a floating-point number to a string (LEGACY)
ed                   (1p)  - edit text
encrypt              (3p)  - encoding function (CRYPT)
endgrent [getgrent]  (3p)  - group database entry functions
endhostent [gethostent] (3p)  - network host database functions
endnetent [getnetent] (3p)  - network database functions
endprotoent [getprotoent] (3p)  - network protocol database functions
endpwent [getpwent]  (3p)  - user database functions
endservent [getservent] (3p)  - network services database functions
endutxent [getutxid] (3p)  - user accounting database functions
env                  (1p)  - set the environment for command invocation
environ              (7)  - ambiente dell'utente
environ [exec]       (3p)  - execute a file
erand48 [drand48]    (3p)  - generate uniformly distributed pseudo-random numbers
erf                  (3p)  - error functions
erfc                 (3p)  - complementary error functions
erfcf [erfc]         (3p)  - complementary error functions
erfcl [erfc]         (3p)  - complementary error functions
erff [erf]           (3p)  - error functions
erfl [erf]           (3p)  - error functions
errno                (3p)  - error return value
errno.h [errno]      (0p)  - system error numbers
eval                 (1p)  - construct command by concatenating arguments
ex                   (1p)  - text editor
exec                 (1p)  - execute commands and open, close, or copy file descriptors
execl [exec]         (3p)  - execute a file
execle [exec]        (3p)  - execute a file
execlp [exec]        (3p)  - execute a file
execv [exec]         (3p)  - execute a file
execve [exec]        (3p)  - execute a file
execvp [exec]        (3p)  - execute a file
exit                 (1p)  - cause the shell to exit
exit                 (3)  - causa un termine normale del processo
exit                 (3p)  - terminate a process
exp                  (3p)  - exponential function
exp2                 (3p)  - exponential base 2 functions
exp2f [exp2]         (3p)  - exponential base 2 functions
exp2l [exp2]         (3p)  - exponential base 2 functions
expand               (1p)  - convert tabs to spaces
expf [exp]           (3p)  - exponential function
expl [exp]           (3p)  - exponential function
expm1                (3p)  - compute exponential functions
expm1f [expm1]       (3p)  - compute exponential functions
expm1l [expm1]       (3p)  - compute exponential functions
export               (1p)  - set the export attribute for variables
expr                 (1p)  - evaluate arguments as an expression
fabs                 (3p)  - absolute value function
fabsf [fabs]         (3p)  - absolute value function
fabsl [fabs]         (3p)  - absolute value function
false                (1p)  - return false value
fattach              (3p)  - attach a STREAMS-based file descriptor to a file in the file system name space (STREAMS)
fc                   (1p)  - process the command history list
fchdir               (3p)  - change working directory
fchmod               (3p)  - change mode of a file
fchown               (3p)  - change owner and group of a file
fclose               (3p)  - close a stream
fcntl                (3p)  - file control
fcntl.h [fcntl]      (0p)  - file control options
fcvt [ecvt]          (3p)  - convert a floating-point number to a string (LEGACY)
fd                   (4)  - dispositivo per dischetti
fdatasync            (3p)  - synchronize the data of a file (REALTIME)
fdetach              (3p)  - detach a name from a STREAMS-based file descriptor (STREAMS)
fdim                 (3p)  - compute positive difference between two floating-point numbers
fdimf [fdim]         (3p)  - compute positive difference between two floating-point numbers
fdiml [fdim]         (3p)  - compute positive difference between two floating-point numbers
fdopen               (3p)  - associate a stream with a file descriptor
feclearexcept        (3p)  - clear floating-point exception
fegetenv             (3p)  - get and set current floating-point environment
fegetexceptflag      (3p)  - get and set floating-point status flags
fegetround           (3p)  - get and set current rounding direction
feholdexcept         (3p)  - save current floating-point environment
fenv.h [fenv]        (0p)  - floating-point environment
feof                 (3p)  - test end-of-file indicator on a stream
feraiseexcept        (3p)  - raise floating-point exception
ferror               (3p)  - test error indicator on a stream
fesetenv [fegetenv]  (3p)  - get and set current floating-point environment
fesetexceptflag [fegetexceptflag] (3p)  - get and set floating-point status flags
fesetround [fegetround] (3p)  - get and set current rounding direction
fetestexcept         (3p)  - test floating-point exception flags
feupdateenv          (3p)  - update floating-point environment
fflush               (3p)  - flush a stream
ffs                  (3p)  - find first set bit
fg                   (1p)  - run jobs in the foreground
fgetc                (3p)  - get a byte from a stream
fgetpos              (3p)  - get current file position information
fgets                (3p)  - get a string from a stream
fgetwc               (3p)  - get a wide-character code from a stream
fgetws               (3p)  - get a wide-character string from a stream
file                 (1p)  - determine file type
fileno               (3p)  - map a stream pointer to a file descriptor
filesystem [filesystems] (5)  - Tipi di file system di Linux: minix, ext, ext2, ext3, Reiserfs, XFS, JFS, xia, msdos, umsdos, vfat, proc, nfs, iso9660, hpfs, sysv, smb, ncpfs
find                 (1p)  - find files
float.h [float]      (0p)  - floating types
flockfile            (3p)  - stdio locking functions
floor                (3p)  - floor function
floorf [floor]       (3p)  - floor function
floorl [floor]       (3p)  - floor function
fma                  (3p)  - floating-point multiply-add
fmaf [fma]           (3p)  - floating-point multiply-add
fmal [fma]           (3p)  - floating-point multiply-add
fmax                 (3p)  - determine maximum numeric value of two floating-point numbers
fmaxf [fmax]         (3p)  - determine maximum numeric value of two floating-point numbers
fmaxl [fmax]         (3p)  - determine maximum numeric value of two floating-point numbers
fmin                 (3p)  - determine minimum numeric value of two floating-point numbers
fminf [fmin]         (3p)  - determine minimum numeric value of two floating-point numbers
fminl [fmin]         (3p)  - determine minimum numeric value of two floating-point numbers
fmod                 (3p)  - floating-point remainder value function
fmodf [fmod]         (3p)  - floating-point remainder value function
fmodl [fmod]         (3p)  - floating-point remainder value function
fmtmsg               (3p)  - display a message in the specified format on standard error and/or a system console
fmtmsg.h [fmtmsg]    (0p)  - message display structures
fnmatch              (3p)  - match a filename or a pathname
fnmatch.h [fnmatch]  (0p)  - filename-matching types
fold                 (1p)  - filter for folding lines
fopen                (3p)  - open a stream
fork                 (3p)  - create a new process
fort77               (1p)  - FORTRAN compiler (FORTRAN)
fpathconf [pathconf] (3p)  - get configurable pathname variables
fpclassify           (3p)  - classify real floating type
fprintf [printf]     (3p)  - print formatted output
fputc                (3p)  - put a byte on a stream
fputs                (3p)  - put a string on a stream
fputwc               (3p)  - put a wide-character code on a stream
fputws               (3p)  - put a wide-character string on a stream
fread                (3p)  - binary input
free                 (3p)  - free allocated memory
freeaddrinfo [getaddrinfo] (3p)  - get address information
freopen              (3p)  - open a stream
frexp                (3p)  - extract mantissa and exponent from a double precision number
frexpf [frexp]       (3p)  - extract mantissa and exponent from a double precision number
frexpl [frexp]       (3p)  - extract mantissa and exponent from a double precision number
fscanf [scanf]       (3p)  - convert formatted input
fseek                (3p)  - reposition a file-position indicator in a stream
fseeko [fseek]       (3p)  - reposition a file-position indicator in a stream
fsetpos              (3p)  - set current file position
fstat                (3p)  - get file status
fstatvfs [statvfs]   (3p)  - get file system information
fsync                (3p)  - synchronize changes to a file
ftell                (3p)  - return a file offset in a stream
ftello [ftell]       (3p)  - return a file offset in a stream
ftime                (3p)  - get date and time (LEGACY)
ftime [unimplemented] (2)  - chiamate di sistema non implementate
ftok                 (3p)  - generate an IPC key
ftp                  (1)  - ARPANET programma di trasferimento file
ftpd                 (8)  - Server Internet File Transfer Protocol
ftruncate            (3p)  - truncate a file to a specified length
ftrylockfile [flockfile] (3p)  - stdio locking functions
ftw                  (3p)  - traverse (walk) a file tree
ftw.h [ftw]          (0p)  - file tree traversal
full                 (4)  - dispositivo sempre pieno
funlockfile [flockfile] (3p)  - stdio locking functions
fuser                (1p)  - list process IDs of all processes that have one or more files open
fwide                (3p)  - set stream orientation
fwprintf [wprintf]   (3p)  - print formatted wide-character output
fwrite               (3p)  - binary output
fwscanf [wscanf]     (3p)  - convert formatted wide-character input
gai_strerror         (3p)  - address and name information error description
gcvt [ecvt]          (3p)  - convert a floating-point number to a string (LEGACY)
gencat               (1p)  - generate a formatted message catalog
get                  (1p)  - get a version of an SCCS file (DEVELOPMENT)
getaddrinfo          (3p)  - get address information
getc                 (3p)  - get a byte from a stream
getc_unlocked [getchar_unlocked] (3p)  - stdio with explicit client locking
getchar              (3p)  - get a byte from a stdin stream
getchar_unlocked     (3p)  - stdio with explicit client locking
getconf              (1p)  - get configuration values
getcontext           (3p)  - get and set current user context
getcwd               (3p)  - get the pathname of the current working directory
getdate              (3p)  - convert user format date and time
getegid              (3p)  - get the effective group ID
getenv               (3p)  - get value of an environment variable
geteuid              (3p)  - get the effective user ID
getgid               (3p)  - get the real group ID
getgrent             (3p)  - group database entry functions
getgrgid             (3p)  - get group database entry for a group ID
getgrgid_r [getgrgid] (3p)  - get group database entry for a group ID
getgrnam             (3p)  - search group database for a name
getgrnam_r [getgrnam] (3p)  - search group database for a name
getgroups            (3p)  - get supplementary group IDs
gethostbyaddr [gethostbyname] (3p)  - network host database functions
gethostbyname        (3p)  - network host database functions
gethostent           (3p)  - network host database functions
gethostid            (3p)  - get an identifier for the current host
gethostname          (3p)  - get name of current host
getitimer            (3p)  - get and set value of interval timer
getlogin             (3p)  - get login name
getlogin_r [getlogin] (3p)  - get login name
getmsg               (3p)  - receive next message from a STREAMS file (STREAMS)
getnameinfo          (3p)  - get name information
getnetbyaddr [getnetent] (3p)  - network database functions
getnetbyname [getnetent] (3p)  - network database functions
getnetent            (3p)  - network database functions
getopt               (3p)  - command option parsing
getopts              (1p)  - parse utility options
getpeername          (3p)  - get the name of the peer socket
getpgid              (3p)  - get the process group ID for a process
getpgrp              (3p)  - get the process group ID of the calling process
getpid               (3p)  - get the process ID
getpmsg [getmsg]     (3p)  - receive next message from a STREAMS file (STREAMS)
getpmsg [unimplemented] (2)  - chiamate di sistema non implementate
getppid              (3p)  - get the parent process ID
getpriority          (3p)  - get and set the nice value
getprotobyname [getprotoent] (3p)  - network protocol database functions
getprotobynumber [getprotoent] (3p)  - network protocol database functions
getprotoent          (3p)  - network protocol database functions
getpwent             (3p)  - user database functions
getpwnam             (3p)  - search user database for a name
getpwnam_r [getpwnam] (3p)  - search user database for a name
getpwuid             (3p)  - search user database for a user ID
getpwuid_r [getpwuid] (3p)  - search user database for a user ID
getrlimit            (3p)  - control maximum resource consumption
getrusage            (3p)  - get information about resource utilization
gets                 (3p)  - get a string from a stdin stream
getservbyname [getservent] (3p)  - network services database functions
getservbyport [getservent] (3p)  - network services database functions
getservent           (3p)  - network services database functions
getsid               (3p)  - get the process group ID of a session leader
getsockname          (3p)  - get the socket name
getsockopt           (3p)  - get the socket options
getsubopt            (3p)  - parse suboption arguments from a string
gettimeofday         (3p)  - get the date and time
getuid               (3p)  - get a real user ID
getutxent [getutxid] (3p)  - user accounting database functions
getutxid             (3p)  - user accounting database functions
getutxline [getutxid] (3p)  - user accounting database functions
getwc                (3p)  - get a wide character from a stream
getwchar             (3p)  - get a wide character from a stdin stream
getwd                (3p)  - get the current working directory pathname (LEGACY)
glob                 (3p)  - generate pathnames matching a pattern
glob                 (7)  - Fare il globbing dei percorsi dei file
glob.h [glob]        (0p)  - pathname pattern-matching types
globfree [glob]      (3p)  - generate pathnames matching a pattern
gmtime               (3p)  - convert a time value to a broken-down UTC time
gmtime_r [gmtime]    (3p)  - convert a time value to a broken-down UTC time
gnumeric             (1)  - Una applicazione di foglio elettronico per GNOME
grantpt              (3p)  - grant access to the slave pseudo-terminal device
grep                 (1p)  - search a file for a pattern
group                (5)  - file dei gruppi utenti
grp.h [grp]          (0p)  - group structure
gtty [unimplemented] (2)  - chiamate di sistema non implementate
h_errno              (3p)  - error return value for network database operations
hash                 (1p)  - remember or report utility locations
hcreate              (3p)  - manage hash search table
hd                   (4)  - dispositivi per dischi fissi MFM/IDE
hdestroy [hcreate]   (3p)  - manage hash search table
head                 (1p)  - copy the first part of files
hier                 (7)  - Descrizione della gerarchia del file system
hman                 (1)  - naviga le pagine di manuale on-line
hosts                (5)  - Tabella statica per la ricerca di nomi di host
hsearch [hcreate]    (3p)  - manage hash search table
htonl                (3p)  - convert values between host and network byte order
htons [htonl]        (3p)  - convert values between host and network byte order
hypot                (3p)  - Euclidean distance function
hypotf [hypot]       (3p)  - Euclidean distance function
hypotl [hypot]       (3p)  - Euclidean distance function
iconv                (1p)  - codeset conversion
iconv                (3p)  - codeset conversion function
iconv.h [iconv]      (0p)  - codeset conversion facility
iconv_close          (3p)  - codeset conversion deallocation function
iconv_open           (3p)  - codeset conversion allocation function
id                   (1p)  - return user identity
if_freenameindex     (3p)  - free memory allocated by if_nameindex
if_indextoname       (3p)  - map a network interface index to its corresponding name
if_nameindex         (3p)  - return all network interface names and indexes
if_nametoindex       (3p)  - map a network interface name to its corresponding index
ilogb                (3p)  - return an unbiased exponent
ilogbf [ilogb]       (3p)  - return an unbiased exponent
ilogbl [ilogb]       (3p)  - return an unbiased exponent
imaxabs              (3p)  - return absolute value
imaxdiv              (3p)  - return quotient and remainder
index                (3p)  - character string operations (LEGACY)
inet_addr            (3p)  - IPv4 address manipulation
inet_ntoa [inet_addr] (3p)  - IPv4 address manipulation
inet_ntop            (3p)  - convert IPv4 and IPv6 addresses between binary and text form
inet_pton [inet_ntop] (3p)  - convert IPv4 and IPv6 addresses between binary and text form
inetd                (8)  - internet super-server
initstate [random]   (3p)  - pseudo-random number functions
insque               (3p)  - insert or remove an element in a queue
intro                (1)  - Introduzione ai comandi utente
intro                (2)  - Introduzione alle chiamate di sistema
intro                (3)  - Introduzione alle funzioni di libreria
intro                (4)  - Introduzione ai file speciali
intro                (5)  - Introduzione ai formati dei file
intro                (6)  - Introduzione ai giochi
intro                (7)  - Introduzione alla visione d'insieme, alle convenzioni e a varie sezioni
intro                (8)  - Introduzione ai comandi di amministrazione e privilegiati
inttypes.h [inttypes] (0p)  - fixed size integer types
ioctl                (3p)  - control a STREAMS device (STREAMS)
ipcrm                (1p)  - remove an XSI message queue, semaphore set, or shared memory segment identifier
ipcs                 (1p)  - report XSI interprocess communication facilities status
isalnum              (3p)  - test for an alphanumeric character
isalpha              (3p)  - test for an alphabetic character
isascii              (3p)  - test for a 7-bit US-ASCII character
isastream            (3p)  - test a file descriptor (STREAMS)
isatty               (3p)  - test for a terminal device
isblank              (3p)  - test for a blank character
iscntrl              (3p)  - test for a control character
isdigit              (3p)  - test for a decimal digit
isfinite             (3p)  - test for finite value
isgraph              (3p)  - test for a visible character
isgreater            (3p)  - test if x greater than y
isgreaterequal       (3p)  - test if x is greater than or equal to y
isinf                (3p)  - test for infinity
isless               (3p)  - test if x is less than y
islessequal          (3p)  - test if x is less than or equal to y
islessgreater        (3p)  - test if x is less than or greater than y
islower              (3p)  - test for a lowercase letter
isnan                (3p)  - test for a NaN
isnormal             (3p)  - test for a normal value
iso646.h [iso646]    (0p)  - alternative spellings
iso_8859-1           (7)  - l'insieme dei caratteri iso_8859-1 codificati in ottale, decimale e esadecimale
iso_8859-15          (7)  - l'insieme dei caratteri iso_8859-15 codificati in ottale, decimale e esadecimale
iso_8859-2           (7)  - il set di caratteri ISO 8859-2 codificato in ottale, decimale ed esadecimale
iso_8859-7           (7)  - l'insieme dei caratteri iso_8859-7 codificati in ottale, decimale e esadecimale
isprint              (3p)  - test for a printable character
ispunct              (3p)  - test for a punctuation character
isspace              (3p)  - test for a white-space character
issue                (5)  - messaggio visualizzato prima del login e file di identificazione
isunordered          (3p)  - test if arguments are unordered
isupper              (3p)  - test for an uppercase letter
iswalnum             (3p)  - test for an alphanumeric wide-character code
iswalpha             (3p)  - test for an alphabetic wide-character code
iswblank             (3p)  - test for a blank wide-character code
iswcntrl             (3p)  - test for a control wide-character code
iswctype             (3p)  - test character for a specified class
iswdigit             (3p)  - test for a decimal digit wide-character code
iswgraph             (3p)  - test for a visible wide-character code
iswlower             (3p)  - test for a lowercase letter wide-character code
iswprint             (3p)  - test for a printable wide-character code
iswpunct             (3p)  - test for a punctuation wide-character code
iswspace             (3p)  - test for a white-space wide-character code
iswupper             (3p)  - test for an uppercase letter wide-character code
iswxdigit            (3p)  - test for a hexadecimal digit wide-character code
isxdigit             (3p)  - test for a hexadecimal digit
iwconfig             (8)  - configura una interfaccia di rete wireless
iwevent              (8)  - Stampa gli eventi Wireless generati dal driver e le modifiche alle impostazioni
iwgetid              (8)  - Riporta l'ESSID, l'NWID o l'indirizzo dell'AP/della cella della rete wireless
iwspy                (8)  - Raccoglie statistiche da specifici nodi
j0                   (3p)  - Bessel functions of the first kind
j1 [j0]              (3p)  - Bessel functions of the first kind
jn [j0]              (3p)  - Bessel functions of the first kind
jobs                 (1p)  - display status of jobs in the current session
join                 (1p)  - relational database operator
jrand48 [drand48]    (3p)  - generate uniformly distributed pseudo-random numbers
kill                 (1p)  - terminate or signal processes
kill                 (3p)  - send a signal to a process or a group of processes
killpg               (3p)  - send a signal to a process group
kmem [mem]           (4)  - memoria del sistema, memoria del kernel e porte del sistema
ksoftirqd            (9)  - demone softirq
l64a [a64l]          (3p)  - convert between a 32-bit integer and a radix-64 ASCII string
labs                 (3p)  - return a long integer absolute value
langinfo.h [langinfo] (0p)  - language information constants
lchown               (3p)  - change the owner and group of a symbolic link
lcong48 [drand48]    (3p)  - generate uniformly distributed pseudo-random numbers
ldd                  (1)  - stampa le dipendenze delle librerie condivise
ldexp                (3p)  - load exponent of a floating-point number
ldexpf [ldexp]       (3p)  - load exponent of a floating-point number
ldexpl [ldexp]       (3p)  - load exponent of a floating-point number
ldiv                 (3p)  - compute quotient and remainder of a long division
lex                  (1p)  - generate programs for lexical tasks (DEVELOPMENT)
lfind [lsearch]      (3p)  - linear search and update
lgamma               (3p)  - log gamma function
lgammaf [lgamma]     (3p)  - log gamma function
lgammal [lgamma]     (3p)  - log gamma function
libgen.h [libgen]    (0p)  - definitions for pattern matching functions
limits.h [limits]    (0p)  - implementation-defined constants
link                 (1p)  - call link function
link                 (3p)  - link to a file
lio_listio           (3p)  - list directed I/O (REALTIME)
listen               (3p)  - listen for socket connections and limit the queue of incoming connections
llabs [labs]         (3p)  - return a long integer absolute value
lldiv [ldiv]         (3p)  - compute quotient and remainder of a long division
llrint               (3p)  - round to the nearest integer value using current rounding direction
llrintf [llrint]     (3p)  - round to the nearest integer value using current rounding direction
llrintl [llrint]     (3p)  - round to the nearest integer value using current rounding direction
llround              (3p)  - round to nearest integer value
llroundf [llround]   (3p)  - round to nearest integer value
llroundl [llround]   (3p)  - round to nearest integer value
ln                   (1p)  - link files
locale               (1p)  - get locale - specific information
locale               (5)  - Descrive un file di definizione di localizzazione
locale               (7)  - Descrizione del supporto multi-linguistico
locale.h [locale]    (0p)  - category macros
localeconv           (3p)  - return locale-specific information
localedef            (1p)  - define locale environment
localtime            (3p)  - convert a time value to a broken-down local time
localtime_r [localtime] (3p)  - convert a time value to a broken-down local time
lock [unimplemented] (2)  - chiamate di sistema non implementate
lockf                (3p)  - record locking on files
log                  (3p)  - natural logarithm function
log10                (3p)  - base 10 logarithm function
log10f [log10]       (3p)  - base 10 logarithm function
log10l [log10]       (3p)  - base 10 logarithm function
log1p                (3p)  - compute a natural logarithm
log1pf [log1p]       (3p)  - compute a natural logarithm
log1pl [log1p]       (3p)  - compute a natural logarithm
log2                 (3p)  - compute base 2 logarithm functions
log2f [log2]         (3p)  - compute base 2 logarithm functions
log2l [log2]         (3p)  - compute base 2 logarithm functions
logb                 (3p)  - radix-independent exponent
logbf [logb]         (3p)  - radix-independent exponent
logbl [logb]         (3p)  - radix-independent exponent
logf [log]           (3p)  - natural logarithm function
logger               (1)  - aggiunge voci al log di sistema
logger               (1p)  - log messages
logl [log]           (3p)  - natural logarithm function
logname              (1p)  - return the user's login name
longjmp              (3p)  - non-local goto
lp                   (1p)  - send files to a printer
lp                   (4)  - file speciali per le stampanti
lrand48 [drand48]    (3p)  - generate uniformly distributed pseudo-random numbers
lrint                (3p)  - round to nearest integer value using current rounding direction
lrintf [lrint]       (3p)  - round to nearest integer value using current rounding direction
lrintl [lrint]       (3p)  - round to nearest integer value using current rounding direction
lround               (3p)  - round to nearest integer value
lroundf [lround]     (3p)  - round to nearest integer value
lroundl [lround]     (3p)  - round to nearest integer value
ls                   (1p)  - list directory contents
lsearch              (3p)  - linear search and update
lseek                (3p)  - move the read/write file offset
lstat                (3p)  - get symbolic link status
m4                   (1p)  - macro processor (DEVELOPMENT)
madvise1 [unimplemented] (2)  - chiamate di sistema non implementate
mailaddr             (7)  - descrizione dell'indirizzamento per la posta elettronica
mailx                (1p)  - process messages
make                 (1p)  - maintain, update, and regenerate groups of programs (DEVELOPMENT)
makecontext          (3p)  - manipulate user contexts
malloc               (3p)  - a memory allocator
man                  (1p)  - display system documentation
man                  (7)  - macro per formattare le pagine di manuale
man2html             (1)  - formatta una pagina di manuale in html
manlint              (1)  - programma per riportare errori in pagine man o mdoc
math.h [math]        (0p)  - mathematical declarations
mblen                (3p)  - get number of bytes in a character
mbrlen               (3p)  - get number of bytes in a character (restartable)
mbrtowc              (3p)  - convert a character to a wide-character code (restartable)
mbsinit              (3p)  - determine conversion object status
mbsrtowcs            (3p)  - convert a character string to a wide-character string (restartable)
mbstowcs             (3p)  - convert a character string to a wide-character string
mbtowc               (3p)  - convert a character to a wide-character code
mem                  (4)  - memoria del sistema, memoria del kernel e porte del sistema
memccpy              (3p)  - copy bytes in memory
memchr               (3p)  - find byte in memory
memcmp               (3p)  - compare bytes in memory
memcpy               (3p)  - copy bytes in memory
memmove              (3p)  - copy bytes in memory with overlapping areas
memset               (3p)  - set bytes in memory
mesg                 (1p)  - permit or deny messages
mkdir                (1p)  - make directories
mkdir                (3p)  - make a directory
mkfifo               (1p)  - make FIFO special files
mkfifo               (3p)  - make a FIFO special file
mknod                (3p)  - make a directory, a special file, or a regular file
mkstemp              (3p)  - make a unique filename
mktemp               (3p)  - make a unique filename (LEGACY)
mktime               (3p)  - convert broken-down time into time since the Epoch
mlock                (3p)  - lock or unlock a range of process address space (REALTIME)
mlockall             (3p)  - lock/unlock the address space of a process (REALTIME)
mmap                 (3p)  - map pages of memory
modf                 (3p)  - decompose a floating-point number
modff [modf]         (3p)  - decompose a floating-point number
modfl [modf]         (3p)  - decompose a floating-point number
monetary.h [monetary] (0p)  - monetary types
more                 (1p)  - display files on a page-by-page basis
motd                 (5)  - messaggio del giorno I contenuti di /etc/motd vengono visualizzati da
mount                (2)  - monta e smonta i file system
mouse                (4)  - interfaccia per il mouse seriale
mprotect             (3p)  - set protection of memory mapping
mpx [unimplemented]  (2)  - chiamate di sistema non implementate
mq_close             (3p)  - close a message queue (REALTIME)
mq_getattr           (3p)  - get message queue attributes (REALTIME)
mq_notify            (3p)  - notify process that a message is available (REALTIME)
mq_open              (3p)  - open a message queue (REALTIME)
mq_receive           (3p)  - receive a message from a message queue (REALTIME)
mq_send              (3p)  - send a message to a message queue (REALTIME)
mq_setattr           (3p)  - set message queue attributes (REALTIME)
mq_timedreceive [mq_receive] (3p)  - receive a message from a message queue (REALTIME)
mq_timedsend [mq_send] (3p)  - send a message to a message queue (REALTIME)
mq_unlink            (3p)  - remove a message queue (REALTIME)
mqueue.h [mqueue]    (0p)  - message queues (REALTIME)
mrand48 [drand48]    (3p)  - generate uniformly distributed pseudo-random numbers
msgctl               (3p)  - XSI message control operations
msgget               (3p)  - get the XSI message queue identifier
msgrcv               (3p)  - XSI message receive operation
msgsnd               (3p)  - XSI message send operation
msync                (3p)  - synchronize memory with physical storage
munlock [mlock]      (3p)  - lock or unlock a range of process address space (REALTIME)
munlockall [mlockall] (3p)  - lock/unlock the address space of a process (REALTIME)
munmap               (3p)  - unmap pages of memory
mv                   (1p)  - move files
nan                  (3p)  - return quiet NaN
nanf [nan]           (3p)  - return quiet NaN
nanl [nan]           (3p)  - return quiet NaN
nanosleep            (3p)  - high resolution sleep (REALTIME)
ndbm.h [ndbm]        (0p)  - definitions for ndbm database operations
nearbyint            (3p)  - floating-point rounding functions
nearbyintf [nearbyint] (3p)  - floating-point rounding functions
nearbyintl [nearbyint] (3p)  - floating-point rounding functions
net/if.h [if]        (0p)  - sockets local interfaces
netdb.h [netdb]      (0p)  - definitions for network database operations
netinet/in.h [in]    (0p)  - Internet address family
netinet/tcp.h [tcp]  (0p)  - definitions for the Internet Transmission Control Protocol (TCP)
newgrp               (1p)  - change to a new group
nextafter            (3p)  - next representable floating-point number
nextafterf [nextafter] (3p)  - next representable floating-point number
nextafterl [nextafter] (3p)  - next representable floating-point number
nexttoward [nextafter] (3p)  - next representable floating-point number
nexttowardf [nextafter] (3p)  - next representable floating-point number
nexttowardl [nextafter] (3p)  - next representable floating-point number
nftw                 (3p)  - walk a file tree
nice                 (1p)  - invoke a utility with an altered nice value
nice                 (3p)  - change the nice value of a process
nl                   (1p)  - line numbering filter
nl_langinfo          (3p)  - language information
nl_types.h [nl_types] (0p)  - data types
nm                   (1p)  - write the name list of an object file (DEVELOPMENT)
nohup                (1p)  - invoke a utility immune to hangups
nologin              (5)  - previene la connessione degli utenti normali nel sistema
nrand48 [drand48]    (3p)  - generate uniformly distributed pseudo-random numbers
ntohl [htonl]        (3p)  - convert values between host and network byte order
ntohs [htonl]        (3p)  - convert values between host and network byte order
null                 (4)  - data sink (scarico dei dati)
od                   (1p)  - dump files in various formats
open                 (3p)  - open a file
opendir              (3p)  - open a directory
openlog [syslog]     (3p)  - control system log
optarg [getopt]      (3p)  - command option parsing
opterr [getopt]      (3p)  - command option parsing
optind [getopt]      (3p)  - command option parsing
optopt [getopt]      (3p)  - command option parsing
passwd               (5)  - file delle password
paste                (1p)  - merge corresponding or subsequent lines of files
patch                (1p)  - apply changes to files
pathchk              (1p)  - check pathnames
pathconf             (3p)  - get configurable pathname variables
pause                (3p)  - suspend the thread until a signal is received
pax                  (1p)  - portable archive interchange
pclose               (3p)  - close a pipe stream to or from a process
perror               (3p)  - write error messages to standard error
ping                 (8)  - invia pacchetti ICMP ECHO_REQUEST agli host della rete
pipe                 (3p)  - create an interprocess channel
poll                 (3p)  - input/output multiplexing
poll.h [poll]        (0p)  - definitions for the poll() function
popen                (3p)  - initiate pipe streams to or from a process
port [mem]           (4)  - memoria del sistema, memoria del kernel e porte del sistema
posix_fadvise        (3p)  - file advisory information (ADVANCED REALTIME)
posix_fallocate      (3p)  - file space control (ADVANCED REALTIME)
posix_madvise        (3p)  - memory advisory information and alignment control (ADVANCED REALTIME)
posix_mem_offset     (3p)  - find offset and length of a mapped typed memory block (ADVANCED REALTIME)
posix_memalign       (3p)  - aligned memory allocation (ADVANCED REALTIME)
posix_openpt         (3p)  - open a pseudo-terminal device
posix_spawn          (3p)  - spawn a process (ADVANCED REALTIME)
posix_spawn_file_actions_addclose [posix_spawn_file_actions_addopen] (3p)  - add close or open action to spawn file actions object (ADVANCED REALTIME)
posix_spawn_file_actions_adddup2 (3p)  - add dup2 action to spawn file actions object (ADVANCED REALTIME)
posix_spawn_file_actions_addopen (3p)  - add close or open action to spawn file actions object (ADVANCED REALTIME)
posix_spawn_file_actions_destroy [posix_spawn_file_actions_init] (3p)  - destroy and initialize spawn file actions object (ADVANCED REALTIME)
posix_spawn_file_actions_init (3p)  - destroy and initialize spawn file actions object (ADVANCED REALTIME)
posix_spawnattr_destroy [posix_spawnattr_init] (3p)  - destroy and initialize spawn attributes object (ADVANCED REALTIME)
posix_spawnattr_getflags (3p)  - get and set the spawn-flags attribute of a spawn attributes object (ADVANCED REALTIME)
posix_spawnattr_getpgroup (3p)  - get and set the spawn-pgroup attribute of a spawn attributes object (ADVANCED REALTIME)
posix_spawnattr_getschedparam (3p)  - get and set the spawn-schedparam attribute of a spawn attributes object (ADVANCED REALTIME)
posix_spawnattr_getschedpolicy (3p)  - get and set the spawn-schedpolicy attribute of a spawn attributes object (ADVANCED REALTIME)
posix_spawnattr_getsigdefault (3p)  - get and set the spawn-sigdefault attribute of a spawn attributes object (ADVANCED REALTIME)
posix_spawnattr_getsigmask (3p)  - get and set the spawn-sigmask attribute of a spawn attributes object (ADVANCED REALTIME)
posix_spawnattr_init (3p)  - destroy and initialize spawn attributes object (ADVANCED REALTIME)
posix_spawnattr_setflags [posix_spawnattr_getflags] (3p)  - get and set the spawn-flags attribute of a spawn attributes object (ADVANCED REALTIME)
posix_spawnattr_setpgroup [posix_spawnattr_getpgroup] (3p)  - get and set the spawn-pgroup attribute of a spawn attributes object (ADVANCED REALTIME)
posix_spawnattr_setschedparam [posix_spawnattr_getschedparam] (3p)  - get and set the spawn-schedparam attribute of a spawn attributes object (ADVANCED REALTIME)
posix_spawnattr_setschedpolicy [posix_spawnattr_getschedpolicy] (3p)  - get and set the spawn-schedpolicy attribute of a spawn attributes object (ADVANCED REALTIME)
posix_spawnattr_setsigdefault [posix_spawnattr_getsigdefault] (3p)  - get and set the spawn-sigdefault attribute of a spawn attributes object (ADVANCED REALTIME)
posix_spawnattr_setsigmask [posix_spawnattr_getsigmask] (3p)  - get and set the spawn-sigmask attribute of a spawn attributes object (ADVANCED REALTIME)
posix_spawnp [posix_spawn] (3p)  - spawn a process (ADVANCED REALTIME)
posix_trace_attr_destroy [posix_trace_attr_init] (3p)  - destroy and initialize the trace stream attributes object (TRACING)
posix_trace_attr_getclockres [posix_trace_attr_getname] (3p)  - retrieve and set information about a trace stream (TRACING)
posix_trace_attr_getcreatetime [posix_trace_attr_getname] (3p)  - retrieve and set information about a trace stream (TRACING)
posix_trace_attr_getgenversion [posix_trace_attr_getname] (3p)  - retrieve and set information about a trace stream (TRACING)
posix_trace_attr_getinherited (3p)  - retrieve and set the behavior of a trace stream (TRACING)
posix_trace_attr_getlogfullpolicy [posix_trace_attr_getinherited] (3p)  - retrieve and set the behavior of a trace stream (TRACING)
posix_trace_attr_getlogsize (3p)  - retrieve and set trace stream size attributes (TRACING)
posix_trace_attr_getmaxdatasize [posix_trace_attr_getlogsize] (3p)  - retrieve and set trace stream size attributes (TRACING)
posix_trace_attr_getmaxsystemeventsize [posix_trace_attr_getlogsize] (3p)  - retrieve and set trace stream size attributes (TRACING)
posix_trace_attr_getmaxusereventsize [posix_trace_attr_getlogsize] (3p)  - retrieve and set trace stream size attributes (TRACING)
posix_trace_attr_getname (3p)  - retrieve and set information about a trace stream (TRACING)
posix_trace_attr_getstreamfullpolicy [posix_trace_attr_getinherited] (3p)  - retrieve and set the behavior of a trace stream (TRACING)
posix_trace_attr_getstreamsize [posix_trace_attr_getlogsize] (3p)  - retrieve and set trace stream size attributes (TRACING)
posix_trace_attr_init (3p)  - destroy and initialize the trace stream attributes object (TRACING)
posix_trace_attr_setinherited [posix_trace_attr_getinherited] (3p)  - retrieve and set the behavior of a trace stream (TRACING)
posix_trace_attr_setlogfullpolicy [posix_trace_attr_getinherited] (3p)  - retrieve and set the behavior of a trace stream (TRACING)
posix_trace_attr_setlogsize [posix_trace_attr_getlogsize] (3p)  - retrieve and set trace stream size attributes (TRACING)
posix_trace_attr_setmaxdatasize [posix_trace_attr_getlogsize] (3p)  - retrieve and set trace stream size attributes (TRACING)
posix_trace_attr_setname [posix_trace_attr_getname] (3p)  - retrieve and set information about a trace stream (TRACING)
posix_trace_attr_setstreamfullpolicy [posix_trace_attr_getinherited] (3p)  - retrieve and set the behavior of a trace stream (TRACING)
posix_trace_attr_setstreamsize [posix_trace_attr_getlogsize] (3p)  - retrieve and set trace stream size attributes (TRACING)
posix_trace_clear    (3p)  - clear trace stream and trace log (TRACING)
posix_trace_close [posix_trace_open] (3p)  - trace log management (TRACING)
posix_trace_create   (3p)  - trace stream initialization, flush, and shutdown from a process (TRACING)
posix_trace_create_withlog [posix_trace_create] (3p)  - trace stream initialization, flush, and shutdown from a process (TRACING)
posix_trace_event    (3p)  - trace functions for instrumenting application code (TRACING)
posix_trace_eventid_equal [posix_trace_eventid_get_name] (3p)  - manipulate the trace event type identifier (TRACING)
posix_trace_eventid_get_name (3p)  - manipulate the trace event type identifier (TRACING)
posix_trace_eventid_open [posix_trace_event] (3p)  - trace functions for instrumenting application code (TRACING)
posix_trace_eventset_add (3p)  - manipulate trace event type sets (TRACING)
posix_trace_eventset_del [posix_trace_eventset_add] (3p)  - manipulate trace event type sets (TRACING)
posix_trace_eventset_empty [posix_trace_eventset_add] (3p)  - manipulate trace event type sets (TRACING)
posix_trace_eventset_fill [posix_trace_eventset_add] (3p)  - manipulate trace event type sets (TRACING)
posix_trace_eventset_ismember [posix_trace_eventset_add] (3p)  - manipulate trace event type sets (TRACING)
posix_trace_eventtypelist_getnext_id (3p)  - iterate over a mapping of trace event types (TRACING)
posix_trace_eventtypelist_rewind [posix_trace_eventtypelist_getnext_id] (3p)  - iterate over a mapping of trace event types (TRACING)
posix_trace_flush [posix_trace_create] (3p)  - trace stream initialization, flush, and shutdown from a process (TRACING)
posix_trace_get_attr [posix_trace_get_status] (3p)  - retrieve the trace attributes or trace status (TRACING)
posix_trace_get_filter (3p)  - retrieve and set the filter of an initialized trace stream (TRACING)
posix_trace_get_status (3p)  - retrieve the trace attributes or trace status (TRACING)
posix_trace_getnext_event (3p)  - retrieve a trace event (TRACING)
posix_trace_open     (3p)  - trace log management (TRACING)
posix_trace_rewind [posix_trace_open] (3p)  - trace log management (TRACING)
posix_trace_set_filter [posix_trace_get_filter] (3p)  - retrieve and set the filter of an initialized trace stream (TRACING)
posix_trace_shutdown [posix_trace_create] (3p)  - trace stream initialization, flush, and shutdown from a process (TRACING)
posix_trace_start    (3p)  - trace start and stop (TRACING)
posix_trace_stop [posix_trace_start] (3p)  - trace start and stop (TRACING)
posix_trace_timedgetnext_event [posix_trace_getnext_event] (3p)  - retrieve a trace event (TRACING)
posix_trace_trid_eventid_open [posix_trace_eventid_get_name] (3p)  - manipulate the trace event type identifier (TRACING)
posix_trace_trygetnext_event [posix_trace_getnext_event] (3p)  - retrieve a trace event (TRACING)
posix_typed_mem_get_info (3p)  - query typed memory information (ADVANCED REALTIME)
posix_typed_mem_open (3p)  - open a typed memory object (ADVANCED REALTIME)
pow                  (3p)  - power function
powf [pow]           (3p)  - power function
powl [pow]           (3p)  - power function
pr                   (1p)  - print files
pread [read]         (3p)  - read from a file
printf               (1p)  - write formatted output
printf               (3p)  - print formatted output
prof [unimplemented] (2)  - chiamate di sistema non implementate
profil [unimplemented] (2)  - chiamate di sistema non implementate
protocols            (5)  - il file di definizione dei protocolli
prs                  (1p)  - print an SCCS file (DEVELOPMENT)
ps                   (1p)  - report process status
psc                  (1)  - prepara i file sc
pselect [select]     (3p)  - synchronous I/O multiplexing
pthread.h [pthread]  (0p)  - threads
pthread_atfork       (3p)  - register fork handlers
pthread_attr_destroy [pthread_attr_init] (3p)  - destroy and initialize the thread attributes object
pthread_attr_getdetachstate (3p)  - get and set the detachstate attribute
pthread_attr_getguardsize (3p)  - get and set the thread guardsize attribute
pthread_attr_getinheritsched (3p)  - get and set the inheritsched attribute (REALTIME THREADS)
pthread_attr_getschedparam (3p)  - get and set the schedparam attribute
pthread_attr_getschedpolicy (3p)  - get and set the schedpolicy attribute (REALTIME THREADS)
pthread_attr_getscope (3p)  - get and set the contentionscope attribute (REALTIME THREADS)
pthread_attr_getstack (3p)  - get and set stack attributes
pthread_attr_getstackaddr (3p)  - get and set the stackaddr attribute
pthread_attr_getstacksize (3p)  - get and set the stacksize attribute
pthread_attr_init    (3p)  - destroy and initialize the thread attributes object
pthread_attr_setdetachstate [pthread_attr_getdetachstate] (3p)  - get and set the detachstate attribute
pthread_attr_setguardsize [pthread_attr_getguardsize] (3p)  - get and set the thread guardsize attribute
pthread_attr_setinheritsched [pthread_attr_getinheritsched] (3p)  - get and set the inheritsched attribute (REALTIME THREADS)
pthread_attr_setschedparam [pthread_attr_getschedparam] (3p)  - get and set the schedparam attribute
pthread_attr_setschedpolicy [pthread_attr_getschedpolicy] (3p)  - get and set the schedpolicy attribute (REALTIME THREADS)
pthread_attr_setscope [pthread_attr_getscope] (3p)  - get and set the contentionscope attribute (REALTIME THREADS)
pthread_attr_setstack [pthread_attr_getstack] (3p)  - get and set stack attributes
pthread_attr_setstackaddr [pthread_attr_getstackaddr] (3p)  - get and set the stackaddr attribute
pthread_attr_setstacksize [pthread_attr_getstacksize] (3p)  - get and set the stacksize attribute
pthread_barrier_destroy [pthread_barrier_init] (3p)  - destroy and initialize a barrier object (ADVANCED REALTIME THREADS)
pthread_barrier_init (3p)  - destroy and initialize a barrier object (ADVANCED REALTIME THREADS)
pthread_barrier_wait (3p)  - synchronize at a barrier (ADVANCED REALTIME THREADS)
pthread_barrierattr_destroy [pthread_barrierattr_init] (3p)  - destroy and initialize the barrier attributes object (ADVANCED REALTIME THREADS)
pthread_barrierattr_getpshared (3p)  - get and set the process-shared attribute of the barrier attributes object (ADVANCED REALTIME THREADS)
pthread_barrierattr_init (3p)  - destroy and initialize the barrier attributes object (ADVANCED REALTIME THREADS)
pthread_barrierattr_setpshared [pthread_barrierattr_getpshared] (3p)  - get and set the process-shared attribute of the barrier attributes object (ADVANCED REALTIME THREADS)
pthread_cancel       (3p)  - cancel execution of a thread
pthread_cleanup_pop [pthread_cleanup_push] (3p)  - establish cancellation handlers
pthread_cleanup_push (3p)  - establish cancellation handlers
pthread_cond_broadcast [pthread_cond_signal] (3p)  - broadcast or signal a condition
pthread_cond_destroy [pthread_cond_init] (3p)  - destroy and initialize condition variables
pthread_cond_init    (3p)  - destroy and initialize condition variables
pthread_cond_signal  (3p)  - broadcast or signal a condition
pthread_cond_timedwait [pthread_cond_wait] (3p)  - wait on a condition
pthread_cond_wait    (3p)  - wait on a condition
pthread_condattr_destroy [pthread_condattr_init] (3p)  - destroy and initialize the condition variable attributes object
pthread_condattr_getclock (3p)  - get and set the clock selection condition variable attribute (ADVANCED REALTIME)
pthread_condattr_getpshared (3p)  - get and set the process-shared condition variable attributes
pthread_condattr_init (3p)  - destroy and initialize the condition variable attributes object
pthread_condattr_setclock [pthread_condattr_getclock] (3p)  - get and set the clock selection condition variable attribute (ADVANCED REALTIME)
pthread_condattr_setpshared [pthread_condattr_getpshared] (3p)  - get and set the process-shared condition variable attributes
pthread_create       (3p)  - thread creation
pthread_detach       (3p)  - detach a thread
pthread_equal        (3p)  - compare thread IDs
pthread_exit         (3p)  - thread termination
pthread_getconcurrency (3p)  - get and set the level of concurrency
pthread_getcpuclockid (3p)  - access a thread CPU-time clock (ADVANCED REALTIME THREADS)
pthread_getschedparam (3p)  - dynamic thread scheduling parameters access (REALTIME THREADS)
pthread_getspecific  (3p)  - thread-specific data management
pthread_join         (3p)  - wait for thread termination
pthread_key_create   (3p)  - thread-specific data key creation
pthread_key_delete   (3p)  - thread-specific data key deletion
pthread_kill         (3p)  - send a signal to a thread
pthread_mutex_destroy [pthread_mutex_init] (3p)  - destroy and initialize a mutex
pthread_mutex_getprioceiling (3p)  - get and set the priority ceiling of a mutex (REALTIME THREADS)
pthread_mutex_init   (3p)  - destroy and initialize a mutex
pthread_mutex_lock   (3p)  - lock and unlock a mutex
pthread_mutex_setprioceiling [pthread_mutex_getprioceiling] (3p)  - get and set the priority ceiling of a mutex (REALTIME THREADS)
pthread_mutex_timedlock (3p)  - lock a mutex (ADVANCED REALTIME)
pthread_mutex_trylock [pthread_mutex_lock] (3p)  - lock and unlock a mutex
pthread_mutex_unlock [pthread_mutex_lock] (3p)  - lock and unlock a mutex
pthread_mutexattr_destroy [pthread_mutexattr_init] (3p)  - destroy and initialize the mutex attributes object
pthread_mutexattr_getprioceiling (3p)  - get and set the prioceiling attribute of the mutex attributes object (REALTIME THREADS)
pthread_mutexattr_getprotocol (3p)  - get and set the protocol attribute of the mutex attributes object (REALTIME THREADS)
pthread_mutexattr_getpshared (3p)  - get and set the process-shared attribute
pthread_mutexattr_gettype (3p)  - get and set the mutex type attribute
pthread_mutexattr_init (3p)  - destroy and initialize the mutex attributes object
pthread_mutexattr_setprioceiling [pthread_mutexattr_getprioceiling] (3p)  - get and set the prioceiling attribute of the mutex attributes object (REALTIME THREADS)
pthread_mutexattr_setprotocol [pthread_mutexattr_getprotocol] (3p)  - get and set the protocol attribute of the mutex attributes object (REALTIME THREADS)
pthread_mutexattr_setpshared [pthread_mutexattr_getpshared] (3p)  - get and set the process-shared attribute
pthread_mutexattr_settype [pthread_mutexattr_gettype] (3p)  - get and set the mutex type attribute
pthread_once         (3p)  - dynamic package initialization
pthread_rwlock_destroy [pthread_rwlock_init] (3p)  - destroy and initialize a read-write lock object
pthread_rwlock_init  (3p)  - destroy and initialize a read-write lock object
pthread_rwlock_rdlock (3p)  - lock a read-write lock object for reading
pthread_rwlock_timedrdlock (3p)  - lock a read-write lock for reading
pthread_rwlock_timedwrlock (3p)  - lock a read-write lock for writing
pthread_rwlock_tryrdlock [pthread_rwlock_rdlock] (3p)  - lock a read-write lock object for reading
pthread_rwlock_trywrlock [pthread_rwlock_wrlock] (3p)  - lock a read-write lock object for writing
pthread_rwlock_unlock (3p)  - unlock a read-write lock object
pthread_rwlock_wrlock (3p)  - lock a read-write lock object for writing
pthread_rwlockattr_destroy [pthread_rwlockattr_init] (3p)  - destroy and initialize the read-write lock attributes object
pthread_rwlockattr_getpshared (3p)  - get and set the process-shared attribute of the read-write lock attributes object
pthread_rwlockattr_init (3p)  - destroy and initialize the read-write lock attributes object
pthread_rwlockattr_setpshared [pthread_rwlockattr_getpshared] (3p)  - get and set the process-shared attribute of the read-write lock attributes object
pthread_self         (3p)  - get the calling thread ID
pthread_setcancelstate [pthread_testcancel] (3p)  - set cancelability state
pthread_setcanceltype [pthread_testcancel] (3p)  - set cancelability state
pthread_setconcurrency [pthread_getconcurrency] (3p)  - get and set the level of concurrency
pthread_setschedparam [pthread_getschedparam] (3p)  - dynamic thread scheduling parameters access (REALTIME THREADS)
pthread_setschedprio (3p)  - dynamic thread scheduling parameters access (REALTIME THREADS)
pthread_setspecific [pthread_getspecific] (3p)  - thread-specific data management
pthread_sigmask [sigprocmask] (3p)  - examine and change blocked signals
pthread_spin_destroy [pthread_spin_init] (3p)  - destroy or initialize a spin lock object (ADVANCED REALTIME THREADS)
pthread_spin_init    (3p)  - destroy or initialize a spin lock object (ADVANCED REALTIME THREADS)
pthread_spin_lock    (3p)  - lock a spin lock object (ADVANCED REALTIME THREADS)
pthread_spin_trylock [pthread_spin_lock] (3p)  - lock a spin lock object (ADVANCED REALTIME THREADS)
pthread_spin_unlock  (3p)  - unlock a spin lock object (ADVANCED REALTIME THREADS)
pthread_testcancel   (3p)  - set cancelability state
ptsname              (3p)  - get name of the slave pseudo-terminal device
putc                 (3p)  - put a byte on a stream
putc_unlocked [getchar_unlocked] (3p)  - stdio with explicit client locking
putchar              (3p)  - put a byte on a stdout stream
putchar_unlocked [getchar_unlocked] (3p)  - stdio with explicit client locking
putenv               (3p)  - change or add a value to an environment
putmsg               (3p)  - send a message on a STREAM (STREAMS)
putpmsg [putmsg]     (3p)  - send a message on a STREAM (STREAMS)
putpmsg [unimplemented] (2)  - chiamate di sistema non implementate
puts                 (3p)  - put a string on standard output
pututxline [getutxid] (3p)  - user accounting database functions
putwc                (3p)  - put a wide character on a stream
putwchar             (3p)  - put a wide character on a stdout stream
pwd                  (1p)  - return working directory name
pwd.h [pwd]          (0p)  - password structure
pwrite [write]       (3p)  - write on a file
qalter               (1p)  - alter batch job
qdel                 (1p)  - delete batch jobs
qhold                (1p)  - hold batch jobs
qmove                (1p)  - move batch jobs
qmsg                 (1p)  - send message to batch jobs
qrerun               (1p)  - rerun batch jobs
qrls                 (1p)  - release batch jobs
qselect              (1p)  - select batch jobs
qsig                 (1p)  - signal batch jobs
qsort                (3p)  - sort a table of data
qstat                (1p)  - show status of batch jobs
qsub                 (1p)  - submit a script
raise                (3p)  - send a signal to the executing process
ram                  (4)  - dispositivo per ram disk
rand                 (3p)  - pseudo-random number generator
rand_r [rand]        (3p)  - pseudo-random number generator
random               (3p)  - pseudo-random number functions
random               (4)  - dispositivi kernel che producono numeri aleatori
ranlib               (1)  - genera l'indice dell'archivio
rcp                  (1)  - fa una copia remota di un file
read                 (1p)  - read a line from standard input
read                 (3p)  - read from a file
readdir              (3p)  - read a directory
readdir_r [readdir]  (3p)  - read a directory
readlink             (3p)  - read the contents of a symbolic link
readonly             (1p)  - set the readonly attribute for variables
readv                (2)  - legge o scrive dati in buffer multipli
readv                (3p)  - read a vector
realloc              (3p)  - memory reallocator
realpath             (3p)  - resolve a pathname
recv                 (3p)  - receive a message from a connected socket
recvfrom             (3p)  - receive a message from a socket
recvmsg              (3p)  - receive a message from a socket
regcomp              (3p)  - regular expression matching
regerror [regcomp]   (3p)  - regular expression matching
regex                (7)  - espressioni regolari POSIX.2
regex.h [regex]      (0p)  - regular expression matching types
regexec [regcomp]    (3p)  - regular expression matching
regfree [regcomp]    (3p)  - regular expression matching
remainder            (3p)  - remainder function
remainderf [remainder] (3p)  - remainder function
remainderl [remainder] (3p)  - remainder function
remove               (3p)  - remove a file
remque [insque]      (3p)  - insert or remove an element in a queue
remquo               (3p)  - remainder functions
remquof [remquo]     (3p)  - remainder functions
remquol [remquo]     (3p)  - remainder functions
rename               (3p)  - rename a file
renice               (1p)  - set nice values of running processes
return               (1p)  - return from a function
rewind               (3p)  - reset the file position indicator in a stream
rewinddir            (3p)  - reset the position of a directory stream to the beginning of a directory
rexecd               (8)  - server di esecuzione remota
rindex               (3p)  - character string operations (LEGACY)
rint                 (3p)  - round-to-nearest integral value
rintf [rint]         (3p)  - round-to-nearest integral value
rintl [rint]         (3p)  - round-to-nearest integral value
rlogin               (1)  - login remoto
rlogind              (8)  - server di login remoto
rm                   (1p)  - remove directory entries
rmdel                (1p)  - remove a delta from an SCCS file (DEVELOPMENT)
rmdir                (1p)  - remove directories
rmdir                (3p)  - remove a directory
round                (3p)  - round to the nearest integer value in a floating-point format
roundf [round]       (3p)  - round to the nearest integer value in a floating-point format
roundl [round]       (3p)  - round to the nearest integer value in a floating-point format
rsh                  (1)  - shell remota
rshd                 (8)  - server della shell remota
sact                 (1p)  - print current SCCS file-editing activity (DEVELOPMENT)
scalb                (3p)  - load exponent of a radix-independent floating-point number
scalbln [scalbn]     (3p)  - compute exponent using FLT_RADIX
scalblnf [scalbn]    (3p)  - compute exponent using FLT_RADIX
scalblnl [scalbn]    (3p)  - compute exponent using FLT_RADIX
scalbn               (3p)  - compute exponent using FLT_RADIX
scalbnf [scalbn]     (3p)  - compute exponent using FLT_RADIX
scalbnl [scalbn]     (3p)  - compute exponent using FLT_RADIX
scanf                (3p)  - convert formatted input
sccs                 (1p)  - front end for the SCCS subsystem (DEVELOPMENT)
sched.h [sched]      (0p)  - execution scheduling (REALTIME)
sched_get_priority_max (3p)  - get priority limits (REALTIME)
sched_get_priority_min [sched_get_priority_max] (3p)  - get priority limits (REALTIME)
sched_getparam       (3p)  - get scheduling parameters (REALTIME)
sched_getscheduler   (3p)  - get scheduling policy (REALTIME)
sched_rr_get_interval (3p)  - get execution time limits (REALTIME)
sched_setparam       (3p)  - set scheduling parameters (REALTIME)
sched_setscheduler   (3p)  - set scheduling policy and parameters (REALTIME)
sched_yield          (3p)  - yield the processor
sd                   (4)  - Dispositivi per i dischi SCSI
search.h [search]    (0p)  - search tables
securetty            (5)  - file che elenca le tty dalle quali pu loggarsi root
security [unimplemented] (2)  - chiamate di sistema non implementate
sed                  (1p)  - stream editor
seed48 [drand48]     (3p)  - generate uniformly distributed pseudo-random numbers
seekdir              (3p)  - set the position of a directory stream
select               (3p)  - synchronous I/O multiplexing
sem_close            (3p)  - close a named semaphore (REALTIME)
sem_destroy          (3p)  - destroy an unnamed semaphore (REALTIME)
sem_getvalue         (3p)  - get the value of a semaphore (REALTIME)
sem_init             (3p)  - initialize an unnamed semaphore (REALTIME)
sem_open             (3p)  - initialize and open a named semaphore (REALTIME)
sem_post             (3p)  - unlock a semaphore (REALTIME)
sem_timedwait        (3p)  - lock a semaphore (ADVANCED REALTIME)
sem_trywait [sem_wait] (3p)  - lock a semaphore (REALTIME)
sem_unlink           (3p)  - remove a named semaphore (REALTIME)
sem_wait             (3p)  - lock a semaphore (REALTIME)
semaphore.h [semaphore] (0p)  - semaphores (REALTIME)
semctl               (3p)  - XSI semaphore control operations
semget               (3p)  - get set of XSI semaphores
semop                (3p)  - XSI semaphore operations
send                 (3p)  - send a message on a socket
sendmsg              (3p)  - send a message on a socket using a message structure
sendto               (3p)  - send a message on a socket
services             (5)  - Elenco dei servizi di rete internet
set                  (1p)  - set or unset options and positional parameters
setbuf               (3p)  - assign buffering to a stream
setcontext [getcontext] (3p)  - get and set current user context
setegid              (3p)  - set the effective group ID
setenv               (3p)  - add or change environment variable
seteuid              (3p)  - set effective user ID
setgid               (3p)  - set-group-ID
setgrent [getgrent]  (3p)  - group database entry functions
sethostent [gethostent] (3p)  - network host database functions
setitimer [getitimer] (3p)  - get and set value of interval timer
setjmp               (3p)  - set jump point for a non-local goto
setjmp.h [setjmp]    (0p)  - stack environment declarations
setkey               (3p)  - set encoding key (CRYPT)
setlocale            (3p)  - set program locale
setlogmask [syslog]  (3p)  - control system log
setnetent [getnetent] (3p)  - network database functions
setpgid              (3p)  - set process group ID for job control
setpgrp              (3p)  - set the process group ID
setpriority [getpriority] (3p)  - get and set the nice value
setprotoent [getprotoent] (3p)  - network protocol database functions
setpwent [getpwent]  (3p)  - user database functions
setregid             (3p)  - set real and effective group IDs
setreuid             (3p)  - set real and effective user IDs
setrlimit [getrlimit] (3p)  - control maximum resource consumption
setservent [getservent] (3p)  - network services database functions
setsid               (3p)  - create session and set process group ID
setsockopt           (3p)  - set the socket options
setstate [random]    (3p)  - pseudo-random number functions
setuid               (3p)  - set user ID
setutxent [getutxid] (3p)  - user accounting database functions
setvbuf              (3p)  - assign buffering to a stream
sh                   (1p)  - shell, the standard command language interpreter
shells               (5)  - percorsi delle shell di login disponibili
shift                (1p)  - shift positional parameters
shm_open             (3p)  - open a shared memory object (REALTIME)
shm_unlink           (3p)  - remove a shared memory object (REALTIME)
shmat                (3p)  - XSI shared memory attach operation
shmctl               (3p)  - XSI shared memory control operations
shmdt                (3p)  - XSI shared memory detach operation
shmget               (3p)  - get an XSI shared memory segment
shutdown             (3p)  - shut down socket send and receive operations
sigaction            (3p)  - examine and change a signal action
sigaddset            (3p)  - add a signal to a signal set
sigaltstack          (3p)  - set and get signal alternate stack context
sigdelset            (3p)  - delete a signal from a signal set
sigemptyset          (3p)  - initialize and empty a signal set
sigfillset           (3p)  - initialize and fill a signal set
sighold [sigset]     (3p)  - signal management
sigignore [sigset]   (3p)  - signal management
siginterrupt         (3p)  - allow signals to interrupt functions
sigismember          (3p)  - test for a signal in a signal set
siglongjmp           (3p)  - non-local goto with signal handling
signal               (3p)  - signal management
signal               (7)  - elenco dei segnali disponibili
signal.h [signal]    (0p)  - signals
signbit              (3p)  - test sign
sigpause [sigset]    (3p)  - signal management
sigpending           (3p)  - examine pending signals
sigprocmask          (3p)  - examine and change blocked signals
sigqueue             (3p)  - queue a signal to a process (REALTIME)
sigrelse [sigset]    (3p)  - signal management
sigset               (3p)  - signal management
sigsetjmp            (3p)  - set jump point for a non-local goto
sigsuspend           (3p)  - wait for a signal
sigtimedwait [sigwaitinfo] (3p)  - wait for queued signals (REALTIME)
sigwait              (3p)  - wait for queued signals
sigwaitinfo          (3p)  - wait for queued signals (REALTIME)
sin                  (3p)  - sine function
sinf [sin]           (3p)  - sine function
sinh                 (3p)  - hyperbolic sine functions
sinhf [sinh]         (3p)  - hyperbolic sine functions
sinhl [sinh]         (3p)  - hyperbolic sine functions
sinl [sin]           (3p)  - sine function
sleep                (1p)  - suspend execution for an interval
sleep                (3p)  - suspend execution for an interval of time
slsc                 (1)  - Port in S-Language del foglio di calcolo SC
snprintf [printf]    (3p)  - print formatted output
sockatmark           (3p)  - determine whether a socket is at the out-of-band mark
socket               (3p)  - create an endpoint for communication
socketpair           (3p)  - create a pair of connected sockets
sort                 (1p)  - sort, merge, or sequence check text files
sources.list [sources] (5)  - Lista delle risorse dei pacchetti per APT
spawn.h [spawn]      (0p)  - spawn (ADVANCED REALTIME)
split                (1p)  - split files into pieces
sprintf [printf]     (3p)  - print formatted output
sqrt                 (3p)  - square root function
sqrtf [sqrt]         (3p)  - square root function
sqrtl [sqrt]         (3p)  - square root function
srand [rand]         (3p)  - pseudo-random number generator
srand48 [drand48]    (3p)  - generate uniformly distributed pseudo-random numbers
srandom [random]     (3p)  - pseudo-random number functions
sscanf [scanf]       (3p)  - convert formatted input
stat                 (3p)  - get file status
statvfs              (3p)  - get file system information
stdarg.h [stdarg]    (0p)  - handle variable argument list
stdbool.h [stdbool]  (0p)  - boolean type and values
stddef.h [stddef]    (0p)  - standard type definitions
stderr [stdin]       (3p)  - standard I/O streams
stdin                (3p)  - standard I/O streams
stdint.h [stdint]    (0p)  - integer types
stdio.h [stdio]      (0p)  - standard buffered input/output
stdlib.h [stdlib]    (0p)  - standard library definitions
stdout [stdin]       (3p)  - standard I/O streams
strcasecmp           (3p)  - case-insensitive string comparisons
strcat               (3p)  - concatenate two strings
strchr               (3p)  - string scanning operation
strcmp               (3p)  - compare two strings
strcoll              (3p)  - string comparison using collating information
strcpy               (3p)  - copy a string
strcspn              (3p)  - get the length of a complementary substring
strdup               (3p)  - duplicate a string
strerror             (3p)  - get error message string
strerror_r [strerror] (3p)  - get error message string
strfmon              (3p)  - convert monetary value to a string
strftime             (3p)  - convert date and time to a string
string.h [string]    (0p)  - string operations
strings              (1p)  - find printable strings in files
strings.h [strings]  (0p)  - string operations
strip                (1p)  - remove unnecessary information from executable files (DEVELOPMENT)
strlen               (3p)  - get string length
strncasecmp [strcasecmp] (3p)  - case-insensitive string comparisons
strncat              (3p)  - concatenate a string with part of another
strncmp              (3p)  - compare part of two strings
strncpy              (3p)  - copy part of a string
stropts.h [stropts]  (0p)  - STREAMS interface (STREAMS)
strpbrk              (3p)  - scan a string for a byte
strptime             (3p)  - date and time conversion
strrchr              (3p)  - string scanning operation
strspn               (3p)  - get length of a substring
strstr               (3p)  - find a substring
strtod               (3p)  - convert a string to a double-precision number
strtof [strtod]      (3p)  - convert a string to a double-precision number
strtoimax            (3p)  - convert string to integer type
strtok               (3p)  - split string into tokens
strtok_r [strtok]    (3p)  - split string into tokens
strtol               (3p)  - convert a string to a long integer
strtold [strtod]     (3p)  - convert a string to a double-precision number
strtoll [strtol]     (3p)  - convert a string to a long integer
strtoul              (3p)  - convert a string to an unsigned long
strtoull [strtoul]   (3p)  - convert a string to an unsigned long
strtoumax [strtoimax] (3p)  - convert string to integer type
strxfrm              (3p)  - string transformation
stty                 (1p)  - set the options for a terminal
stty [unimplemented] (2)  - chiamate di sistema non implementate
suffixes             (7)  - elenco dei suffissi dei file
swab                 (3p)  - swap bytes
swapcontext [makecontext] (3p)  - manipulate user contexts
swapoff [swapon]     (2)  - start/stop swapping sul file/dispositivo
swapon               (2)  - start/stop swapping sul file/dispositivo
swprintf [wprintf]   (3p)  - print formatted wide-character output
swscanf [wscanf]     (3p)  - convert formatted wide-character input
symlink              (2)  - crea un nuovo nome per un file
symlink              (3p)  - make a symbolic link to a file
sync                 (2)  - svuota i buffer della cache del disco
sync                 (3p)  - schedule file system updates
sys/ipc.h [sys_ipc]  (0p)  - XSI interprocess communication access structure
sys/mman.h [sys_mman] (0p)  - memory management declarations
sys/msg.h [sys_msg]  (0p)  - XSI message queue structures
sys/resource.h [sys_resource] (0p)  - definitions for XSI resource operations
sys/select.h [sys_select] (0p)  - select types
sys/sem.h [sys_sem]  (0p)  - XSI semaphore facility
sys/shm.h [sys_shm]  (0p)  - XSI shared memory facility
sys/socket.h [sys_socket] (0p)  - main sockets header
sys/stat.h [sys_stat] (0p)  - data returned by the stat() function
sys/statvfs.h [sys_statvfs] (0p)  - VFS File System information structure
sys/time.h [sys_time] (0p)  - time types
sys/timeb.h [sys_timeb] (0p)  - additional definitions for date and time
sys/times.h [sys_times] (0p)  - file access and modification times structure
sys/types.h [sys_types] (0p)  - data types
sys/uio.h [sys_uio]  (0p)  - definitions for vector I/O operations
sys/un.h [sys_un]    (0p)  - definitions for UNIX domain sockets
sys/utsname.h [sys_utsname] (0p)  - system name structure
sys/wait.h [sys_wait] (0p)  - declarations for waiting
sysconf              (3p)  - get configurable system variables
sysfs                (2)  - acquisisce informazioni sul file system
sysinfo              (2)  - restituisce informazioni sulle statististiche di sistema globali
syslog               (3p)  - control system log
syslog.h [syslog]    (0p)  - definitions for system error logging
syslogd              (8)  - fa il log dei messaggi di sistema
system               (3p)  - issue a command
tabs                 (1p)  - set terminal tabs
tail                 (1p)  - copy the last part of a file
talk                 (1)  - parla ad un altro utente
talk                 (1p)  - talk to another user
talkd                (8)  - server di comunicazione con utenti remoti
tan                  (3p)  - tangent function
tanf [tan]           (3p)  - tangent function
tanh                 (3p)  - hyperbolic tangent functions
tanhf [tanh]         (3p)  - hyperbolic tangent functions
tanhl [tanh]         (3p)  - hyperbolic tangent functions
tanl [tan]           (3p)  - tangent function
tar.h [tar]          (0p)  - extended tar definitions
tcdrain              (3p)  - wait for transmission of output
tcflow               (3p)  - suspend or restart the transmission or reception of data
tcflush              (3p)  - flush non-transmitted output data, non-read input data, or both
tcgetattr            (3p)  - get the parameters associated with the terminal
tcgetpgrp            (3p)  - get the foreground process group ID
tcgetsid             (3p)  - get the process group ID for the session leader for the controlling terminal
tcsendbreak          (3p)  - send a break for a specific duration
tcsetattr            (3p)  - set the parameters associated with the terminal
tcsetpgrp            (3p)  - set the foreground process group ID
tdelete [tsearch]    (3p)  - manage a binary search tree
tee                  (1p)  - duplicate standard input
telldir              (3p)  - current location of a named directory stream
telnetd Protocollo [telnetd] (8)  - DARPA del server TELNET
tempnam              (3p)  - create a name for a temporary file
termios.h [termios]  (0p)  - define values for termios
test                 (1p)  - evaluate expression
tfind [tsearch]      (3p)  - manage a binary search tree
tftpd                (8)  - Server Internet Trivial File Transfer Protocol
tgamma               (3p)  - compute gamma() function
tgammaf [tgamma]     (3p)  - compute gamma() function
tgammal [tgamma]     (3p)  - compute gamma() function
tgmath.h [tgmath]    (0p)  - type-generic macros
time                 (1)  - temporizza un semplice comando o informa sull'uso delle risorse
time                 (1p)  - time a simple command
time                 (3p)  - get time
time.h [time]        (0p)  - time types
timer_create         (3p)  - create a per-process timer (REALTIME)
timer_delete         (3p)  - delete a per-process timer (REALTIME)
timer_getoverrun [timer_gettime] (3p)  - per-process timers (REALTIME)
timer_gettime        (3p)  - per-process timers (REALTIME)
timer_settime [timer_gettime] (3p)  - per-process timers (REALTIME)
times                (1p)  - write process times
times                (3p)  - get process and waited-for child process times
timezone [tzset]     (3p)  - set timezone conversion information
tmpfile              (3p)  - create a temporary file
tmpnam               (3p)  - create a name for a temporary file
toascii              (3p)  - translate an integer to a 7-bit ASCII character
tolower              (3p)  - transliterate uppercase characters to lowercase
touch                (1p)  - change file access and modification times
toupper              (3p)  - transliterate lowercase characters to uppercase
towctrans            (3p)  - wide-character transliteration
towlower             (3p)  - transliterate uppercase wide-character code to lowercase
towupper             (3p)  - transliterate lowercase wide-character code to uppercase
tput                 (1p)  - change terminal characteristics
tr                   (1p)  - translate characters
trace.h [trace]      (0p)  - tracing
trap                 (1p)  - trap signals
true                 (1p)  - return true value
trunc                (3p)  - round to truncated integer value
truncate             (3p)  - truncate a file to a specified length
truncf [trunc]       (3p)  - round to truncated integer value
truncl [trunc]       (3p)  - round to truncated integer value
tsearch              (3p)  - manage a binary search tree
tsort                (1p)  - topological sort
tty                  (1p)  - return user's terminal name
tty                  (4)  - terminale di controllo
ttyS                 (4)  - linee dei terminali seriali
ttyname              (3p)  - find the pathname of a terminal
ttyname_r [ttyname]  (3p)  - find the pathname of a terminal
ttytype              (5)  - mappatura tra il nome dei terminali e il tipo di terminale di default
tuxcall [unimplemented] (2)  - chiamate di sistema non implementate
twalk [tsearch]      (3p)  - manage a binary search tree
type                 (1p)  - write a description of command type
tzname [tzset]       (3p)  - set timezone conversion information
tzselect             (8)  - seleziona un fuso orario
tzset                (3p)  - set timezone conversion information
ualarm               (3p)  - set the interval timer
ucontext.h [ucontext] (0p)  - user context
ulimit               (1p)  - set or report file size limit
ulimit               (3p)  - get and set process limits
ulimit [unimplemented] (2)  - chiamate di sistema non implementate
ulimit.h [ulimit]    (0p)  - ulimit commands
umask                (1p)  - get or set the file mode creation mask
umask                (2)  - imposta la maschera di creazione del modo di un file
umask                (3p)  - set and get the file mode creation mask
umount [mount]       (2)  - monta e smonta i file system
umount2 [mount]      (2)  - monta e smonta i file system
unalias              (1p)  - remove alias definitions
uname                (1p)  - return system name
uname                (2)  - restituisce nome e informazioni sul kernel attuale
uname                (3p)  - get the name of the current system
uncompress           (1p)  - expand compressed data
unexpand             (1p)  - convert spaces to tabs
unget                (1p)  - undo a previous get of an SCCS file (DEVELOPMENT)
ungetc               (3p)  - push byte back into input stream
ungetwc              (3p)  - push wide-character code back into the input stream
uniq                 (1p)  - report or filter out repeated lines in a file
unistd.h [unistd]    (0p)  - standard symbolic constants and types
unlink               (1p)  - call the unlink function
unlink               (2)  - Rimuove un nome ed eventualmente il file a cui si riferisce
unlink               (3p)  - remove a directory entry
unlockpt             (3p)  - unlock a pseudo-terminal master/slave pair
unset                (1p)  - unset values and attributes of variables and functions
unsetenv             (3p)  - remove an environment variable
urandom [random]     (4)  - dispositivi kernel che producono numeri aleatori
uselib               (2)  - seleziona una shared library
usleep               (3p)  - suspend execution for an interval
ustat                (2)  - riporta statistiche su di un file system
utime                (2)  - cambia l'ultimo orario di accesso e di modifica di un file
utime                (3p)  - set file access and modification times
utime.h [utime]      (0p)  - access and modification times structure
utimes               (3p)  - set file access and modification times (LEGACY)
utimes [utime]       (2)  - cambia l'ultimo orario di accesso e di modifica di un file
utmp                 (5)  - registri dei login
utmpx.h [utmpx]      (0p)  - user accounting database definitions
uucp                 (1p)  - system-to-system copy
uudecode             (1p)  - decode a binary file
uuencode             (1p)  - encode a binary file
uustat               (1p)  - uucp status inquiry and job control
uux                  (1p)  - remote command execution
va_arg               (3p)  - handle variable argument list
va_copy [va_arg]     (3p)  - handle variable argument list
va_end [va_arg]      (3p)  - handle variable argument list
va_start [va_arg]    (3p)  - handle variable argument list
val                  (1p)  - validate SCCS files (DEVELOPMENT)
vcs                  (4)  - memoria delle console virtuali
vcsa [vcs]           (4)  - memoria delle console virtuali
vfork                (2)  - crea un processo figlio e blocca il padre
vfork                (3p)  - create a new process; share virtual memory
vfprintf [vprintf]   (3p)  - format output of a stdarg argument list
vfscanf [vscanf]     (3p)  - format input of a stdarg argument list
vfwprintf [vwprintf] (3p)  - wide-character formatted output of a stdarg argument list
vfwscanf [vwscanf]   (3p)  - wide-character formatted input of a stdarg argument list
vhangup              (2)  - sospende virtualmente il tty attuale
vi                   (1p)  - screen-oriented (visual) display editor
vm86                 (2)  - per entrare nel virtual 8086 mode
vm86old [vm86]       (2)  - per entrare nel virtual 8086 mode
vprint               (1)  - filtro di stampa per interrompere righe lunghe
vprintf              (3p)  - format output of a stdarg argument list
vscanf               (3p)  - format input of a stdarg argument list
vserver [unimplemented] (2)  - chiamate di sistema non implementate
vsnprintf [vprintf]  (3p)  - format output of a stdarg argument list
vsprintf [vprintf]   (3p)  - format output of a stdarg argument list
vsscanf [vscanf]     (3p)  - format input of a stdarg argument list
vswprintf [vwprintf] (3p)  - wide-character formatted output of a stdarg argument list
vswscanf [vwscanf]   (3p)  - wide-character formatted input of a stdarg argument list
vwprintf             (3p)  - wide-character formatted output of a stdarg argument list
vwscanf              (3p)  - wide-character formatted input of a stdarg argument list
wait                 (1p)  - await process completion
wait                 (2)  - aspetta che il processo cambi stato
wait                 (3p)  - wait for a child process to stop or terminate
wait3 [wait4]        (2)  - attende che i processi cambino stato, in stile BSD
wait4                (2)  - attende che i processi cambino stato, in stile BSD
waitid               (3p)  - wait for a child process to change state
waitid [wait]        (2)  - aspetta che il processo cambi stato
waitpid [wait]       (2)  - aspetta che il processo cambi stato
waitpid [wait]       (3p)  - wait for a child process to stop or terminate
wc                   (1p)  - word, line, and byte or character count
wchar.h [wchar]      (0p)  - wide-character handling
wcrtomb              (3p)  - convert a wide-character code to a character (restartable)
wcscat               (3p)  - concatenate two wide-character strings
wcschr               (3p)  - wide-character string scanning operation
wcscmp               (3p)  - compare two wide-character strings
wcscoll              (3p)  - wide-character string comparison using collating information
wcscpy               (3p)  - copy a wide-character string
wcscspn              (3p)  - get the length of a complementary wide substring
wcsftime             (3p)  - convert date and time to a wide-character string
wcslen               (3p)  - get wide-character string length
wcsncat              (3p)  - concatenate a wide-character string with part of another
wcsncmp              (3p)  - compare part of two wide-character strings
wcsncpy              (3p)  - copy part of a wide-character string
wcspbrk              (3p)  - scan a wide-character string for a wide-character code
wcsrchr              (3p)  - wide-character string scanning operation
wcsrtombs            (3p)  - convert a wide-character string to a character string (restartable)
wcsspn               (3p)  - get the length of a wide substring
wcsstr               (3p)  - find a wide-character substring
wcstod               (3p)  - convert a wide-character string to a double-precision number
wcstof [wcstod]      (3p)  - convert a wide-character string to a double-precision number
wcstoimax            (3p)  - convert a wide-character string to an integer type
wcstok               (3p)  - split a wide-character string into tokens
wcstol               (3p)  - convert a wide-character string to a long integer
wcstold [wcstod]     (3p)  - convert a wide-character string to a double-precision number
wcstoll [wcstol]     (3p)  - convert a wide-character string to a long integer
wcstombs             (3p)  - convert a wide-character string to a character string
wcstoul              (3p)  - convert a wide-character string to an unsigned long
wcstoull [wcstoul]   (3p)  - convert a wide-character string to an unsigned long
wcstoumax [wcstoimax] (3p)  - convert a wide-character string to an integer type
wcswcs               (3p)  - find a wide substring (LEGACY)
wcswidth             (3p)  - number of column positions of a wide-character string
wcsxfrm              (3p)  - wide-character string transformation
wctob                (3p)  - wide-character to single-byte conversion
wctomb               (3p)  - convert a wide-character code to a character
wctrans              (3p)  - define character mapping
wctype               (3p)  - define character class
wctype.h [wctype]    (0p)  - wide-character classification and mapping utilities
wcwidth              (3p)  - number of column positions of a wide-character code
what                 (1p)  - identify SCCS files (DEVELOPMENT)
who                  (1p)  - display who is on the system
wmemchr              (3p)  - find a wide character in memory
wmemcmp              (3p)  - compare wide characters in memory
wmemcpy              (3p)  - copy wide characters in memory
wmemmove             (3p)  - copy wide characters in memory with overlapping areas
wmemset              (3p)  - set wide characters in memory
wordexp              (3p)  - perform word expansions
wordexp.h [wordexp]  (0p)  - word-expansion types
wordfree [wordexp]   (3p)  - perform word expansions
wprintf              (3p)  - print formatted wide-character output
write                (1p)  - write to another user
write                (2)  - Scrive su un descrittore di file
write                (3p)  - write on a file
writev               (3p)  - write a vector
writev [readv]       (2)  - legge o scrive dati in buffer multipli
wscanf               (3p)  - convert formatted wide-character input
wtmp [utmp]          (5)  - registri dei login
xargs                (1p)  - construct argument lists and invoke utility
xhost                (1)  - programma di controllo degli accessi al server X
y0                   (3p)  - Bessel functions of the second kind
y1 [y0]              (3p)  - Bessel functions of the second kind
yacc                 (1p)  - yet another compiler compiler (DEVELOPMENT)
yn [y0]              (3p)  - Bessel functions of the second kind
zcat                 (1p)  - expand and concatenate data
zdump                (8)  - informa sui fusi orari
zero [null]          (4)  - data sink (scarico dei dati)
