NAME
groups – show group memberships
SYNOPSIS
groups [user]
DESCRIPTION
The groups utility has been obsoleted by the id(1) utility, and is equivalent to id -Gn [user]. The command id -p is suggested for normal interactive use.
The groups utility displays the groups to which you (or the optionally specified user) belong.
EXIT STATUS
The groups utility exits 0 on success, and >0 if an error occurs.