3 Documentation Conventions

/etc/passwd : directory names and file names

placeholder: replace placeholder with the actual value

PATH: the environment variable PATH

ls, --help: commands, options, and parameters

user : users or groups

packagename : name of a package

Alt , Alt–F1 : a key to press or a key combination; keys are shown in uppercase as on a keyboard

File › Save As, Cancel: menu items, buttons

This paragraph is only relevant for the x86_64 architecture. The arrows mark the beginning and the end of the text block.

This paragraph is only relevant for the architectures z Systems and POWER. The arrows mark the beginning and the end of the text block.

Dancing Penguins (Chapter Penguins, Another Manual): This is a reference to a chapter in another manual.