GROUPS(1) General Commands Manual GROUPS(1) NAME groups - Print group memberships for each USERNAME or, if no USERNAME is specified, for the current process (which may differ if the groups data-base has changed). 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 data-base has changed). OPTIONS -h, --help Print help -V, --version Print version [USERNAME] VERSION v(uutils coreutils) 0.11.0 2026-09-01 GROUPS(1)