Guide to Unix/Commands/Self Information
< Guide to Unix | Commands
whoami[edit | edit source]
whoami tells you your current username.
Examples:
$ whoami abicool
Links:
- whoami, freebsd.org
- 20.3 whoami in GNU Coreutils manual, gnu.org
groups[edit | edit source]
groups states the groups the current user is a member of
Examples:
$ groups wheel slocate www
Links:
- groups, freebsd.org
- 20.4 groups in GNU Coreutils manual, gnu.org
id[edit | edit source]
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)
Links:
tty[edit | edit source]
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
Links:
- tty, opengroup.org
- tty man page, man.cat-v.org
- 19.4 tty in GNU Coreutils manual, gnu.org