etc/group

   1 wheel:*:0:root
   2 daemon:*:1:daemon
   3 kmem:*:2:root
   4 sys:*:3:root
   5 tty:*:4:root
   6 operator:*:5:root
   7 bin:*:7:
   8 news:*:8:
   9 games:*:13:
  10 staff:*:20:root
  11 guest:*:31:root
  12 nobody:*:39:
  13 ingres:*:74:ingres
  14 dialer:*:117
  15 nogroup:*:32766: