Guide to Unix/Commands/Self Information

From Wikibooks, open books for an open world
< Guide to Unix‎ | Commands
Jump to: navigation, search

whoami[edit]

whoami tells you your current username.

Examples:

$ whoami
abicool

groups[edit]

groups states the groups the current user is a member of

Examples:

$ groups
wheel slocate www

id[edit]

id gives you the same information as the whoami and groups commands, but also includes the user id (uid) and group id (gid) integers associated with the login.

Examples:

$ id
uid=3426(alice) gid=10(wheel)
groups=10(wheel),21(slocate),401(www)

tty[edit]

tty tells you the terminal device that is assigned to your interactive login. The tty represents your console device, network connection ("ssh", ...), or terminal emulator process ("xterm", "konsole", ...).

Examples:

$ tty
/dev/pts/14