man > groups(1)

GROUPS(1)                                   User Commands                                  GROUPS(1)

NAME
       groups - print the groups a user is in

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

DESCRIPTION
       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).

       --help display this help and exit

       --version
              output version information and exit

AUTHOR
       Written by David MacKenzie and James Youngman.

REPORTING BUGS
       GNU coreutils online help: <https://www.gnu.org/software/coreutils/>
       Report any translation bugs to <https://translationproject.org/team/>

COPYRIGHT
       Copyright © 2023 Free Software Foundation, Inc.  License GPLv3+: GNU GPL version 3  or  later
       <https://gnu.org/licenses/gpl.html>.
       This  is free software: you are free to change and redistribute it.  There is NO WARRANTY, to
       the extent permitted by law.

SEE ALSO
       getent(1)

       Full documentation <https://www.gnu.org/software/coreutils/groups>
       or available locally via: info '(coreutils) groups invocation'

GNU coreutils 9.4                           January 2026                                   GROUPS(1)