id - print user/group ID
$ id [options...]
id
outputs user and group information for the current user.
-u
: Print only real UID.-g
: Print only real GID.-G
: Print only all GIDs.-n
: If -u
, -g
or -G
is specified, print full names instead of IDs.$ id
uid=100(anon) gid=100(users) groups=1(wheel),10(lookup),12(notify),4(audio),13(window),14(clipboard),3(phys)
$ id -u
100
$ id -g
100
$ id -un
anon
$ id -G
1 10 12 4 13 14 3