groups(1)

groups -- print group membership of user

Synopsis

groups [user . . .]

Description

The command groups prints on standard output the groups to which you or the optionally specified user belong. Each user belongs to a group specified in /etc/passwd and possibly to other groups as specified in /etc/group.

Files

/etc/passwd
/etc/group

References

group(4), passwd(4), usermod(1M)