Found it in security howto (was looking for file system or permissions howto).

On Sat, 08 Apr 2000, you wrote:
> I want to learn how to change file permissions to give access to different
> users.  chmod's man page isn't that helpful in my opinion, and I can't find a
> how-to on this topic.  Can anybody point me to where I can find documentation
> on the web concerning file permissions, ownerships, etc.
> 
> 
> -- 
> Rick Rosinski
> http://www.rickrosinski.com
> rick@rickrosinski.com
> 
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-- 
Rick Rosinski
http://www.rickrosinski.com
rick@rickrosinski.com