groups — print the groups a user is in

Examples (TL;DR)


groups [OPTION]... [USERNAME]...


Print group memberships for each USERNAME or, if no USERNAME is specified, for the current process (which may differ if the groups database has changed).


display this help and exit


output version information and exit


Written by David MacKenzie and James Youngman.

Reporting Bugs

GNU coreutils online help: <>
Report any translation bugs to <>

See Also


Full documentation <>
or available locally via: info '(coreutils) groups invocation'

Referenced By

credentials(7), group(5), procenv(1).

October 2019 GNU coreutils 8.31