GROUPS(1)

NAME
groups - Display current group ID names

SYNOPSIS
groups [ user ]

DESCRIPTION
groups displays the current group ID names or values. If the value does not have a corresponding entry in /etc/group, the value will be displayed as the numerical group value. The optional user parameter will display the groups for the named user

Note
Systems which do not support concurrent group sets will have the information from /etc/group reported. The user must use newgrp or sg to change their current real and effective group ID.

Files
/etc/group - group information

See Also
newgrp(1), getuid(2), getgid(2), getgroups(2)