Userid/passwords

[Jakub Jelinek]

On Fri, Feb 16, 2001 at 12:13:04PM +0100, Matthias Urlichs wrote:
> Hi,
> >  user name
> >  A string that is used to identify a user, as described in user database . To
> >  be portable across XSI-conformant systems, the value must be composed of
> >  characters from the portable filename character set. The hyphen should not
> >  be used as the first character of a portable user name.
> >
> Note that using a dot in user names isn't a good idea. Think "chown 
> foo.bar FILE".

That's why chown foo:bar FILE is the preferred syntax and foo.bar is only a
deprecated extension for compatibility with older scripts.

	Jakub