List open files and the corresponding processes in Linux. More information: https://manned.org/lsfd.
lsfd
lsfd {{[-Q|--filter]}} 'PID == {{process_ID}}'
lsfd {{[-Q|--filter]}} "NAME == '{{/path/to/file}}'"
lsfd {{-i4|-i6}}
lsfd {{[-h|--help]}}