LINUX COMMAND ATLAS · COMMAND GUIDE

Linux id command

Show user and group IDs for the current user or another account.

GNU Coreutils

Syntax

Command form

id [OPTION]... [USER]

5 options

Option	What it does
`-u, --user`	Print only the user ID.
`-g, --group`	Print only the primary group ID.
`-G, --groups`	Print all group IDs.
`-n, --name`	Show a name instead of a numeric ID; combine with -u, -g or -G.
`-r, --real`	Show the real ID rather than the effective ID.

2 examples

Show user and group IDs for the current user or another account.

id

Print the account name associated with the real user ID.

id -un alice

Without USER, id reports the current process credentials.