Weirdness in groups and id commans

[Ismail Donmez]

Hi,

Using coreutils 6.4 ,

[~]> whoami
cartman
[~]> groups
users disk wheel audio dialout video pnp removable power
[~]> groups cartman
users disk wheel audio dialout video apache pnp removable power


Notice that "apache" is in the second output, id shows similar behaviour,

[~]> id
uid=1000(cartman) gid=100(users) groups=6(disk),10(wheel),18(audio),20
(dialout),27(video),100(users),200(pnp),201(removable),204(power)
[~]> id cartman
uid=1000(cartman) gid=100(users) groups=100(users),6(disk),10(wheel),18
(audio),20(dialout),27(video),80(apache),200(pnp),201(removable),204(power)


Is this a bug or a feature?

Regards,
ismail