GROUPS(1) GROUPS(1) groups - print the groups a user is in 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). --help --version David MacKenzie James Youngman. GNU coreutils: (C) 2025 Free Software Foundation, Inc. GPLv3+: GNU GPL 3 . : . , . getent(1) : info '(coreutils) groups invocation' Kristijan Velkovski ; GNU 3(GPLv3) . . , Kris Fremen . GNU coreutils 9.6 2025 GROUPS(1)