> Every users belongs to one or several groups (ex: root, admin, user,
> www-user, staff).
>
> /etc/groups has the information on how much privilege each groups has.
> A user gets the privileges of the group(s) user belongs to.
>
> `man groups` has little detail.
> `info groups` details it all.
>
> Please correct me if I am wrong.
> Zahed
>
>
> On Tue, 29 Jul 2003 [EMAIL PROTECTED] wrote:
>
> > Does anyone know what all the groups listed in /etc/groups mean? I tried
> > googling for it, but none of the links give me specific information.
> >
> > I was just wondering if anyone knows or if they have a link they found
> > somewhere that details it all.
/etc/group defines the groups on the system. (note: not plural)
It actually defines a mapping between the Group ID (GID) and the group name.
Files are stored with the GID and the system will sub the name when you
do a long listing for example.
It also defines "auxilliary memebers" to each group, because
/etc/passwd defines the Username/UID/primary-GID for each user, so
each user starts off with a GID not defined in /etc/group.
The actual values and names of groups varies from distro to distro,
and configuration. Many distros have too many groups IMHO for
things like fax, audio,news, etc.. These can lead to security problems
and chaos, but that again is opinion. You can usually count on these
GID/groupname definitions:
root:x:0:
daemon:x:1:
users:x:100:
-Phil
.--------------------------------------------------------.
| Philip A. Carinhas | http://fortuitous.com |
| Fortuitous Technologies | Linux Consulting & Training |
`--------------------------------------------------------'
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