User groups

[Thomas Cameron]

On Fri, 2005-02-18 at 14:32 -0500, Jan Morales wrote:
> I started using Unix a long time ago, before the practice of having one 
> group per user emerged. You used to have one group, e.g. "users", that 
> all users were members of and everyone's umask was 022. Now user "joe" 
> is a member of group "joe" and his umask is 02. Can someone point me to 
> a reference for the rationale for this scheme? I don't really understand 
> it yet. Thanks!
> 
http://www.redhat.com/docs/manuals/enterprise/RHEL-3-Manual/ref-
guide/s1-users-groups-private-groups.html