Sos Invalid user name

[Robin Green]

On Thu, Aug 28, 2003 at 07:13:03PM -0400, Felix wrote:
> I have Red Hat 9
> Does any one know why I can´t use dot (colon) in user names.
> In Red Hat 8 it works ok.
> Can I change it.
> It happend when I try to add a user
> adduser username.lastname.

chown uses . and : to delimit users from groups, so it would be 
confusing to allow . and : in usernames.
-- 
Robin