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Date:	Wed, 08 Nov 2000 23:08:05 +0100
From:	Corinna Vinschen <vinschen AT redhat DOT com>
Reply-To:	cygwin <cygwin AT sources DOT redhat DOT com>
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To:	cygwin <cygwin AT sources DOT redhat DOT com>
Subject:	Re: Some domain groups not found by 'mkgroup --domain'
References:	<20001108201000 DOT 9123 DOT qmail AT web804 DOT mail DOT yahoo DOT com>

Rick Rankin wrote:
> 
> I'm not sure exactly how to provide an example -- the situation simply exists.
> However, I've been poking around in the MSDN documentation, and I've found some
> [...]

To keep it simple:

Each NT/W2K machine has local groups. A local group is only valid
on the local machine. They are retrieved by the function
`NetLocalGroupEnum' or in a Cygwin environment on the command line by
`mkpasswd -g' or `mkgroup -l'.

A domain is a domain is a domain. A domain has domain groups which
are sometimes named `global groups' by the Microsoft documentation.
These groups are retrieved by the function `NetGroupEnum' or on
the command line by `mkgroup -d DOMAIN'. If you don't give a domain
name, the default domain is used.

Domain (or global) groups may be member of local groups while
domain groups may only have users as members.

There's another class of groups which is called `predefined local
group' or similar. That are the groups which already exist on a
machine when it has been installed. Examples are the administrators
group or the guest group. Except that they are predefined they
behave the same as later defined local groups.

I suggest (how boring) reading the ntsec chapter in the online
users guide:

   http://sources.redhat.com/cygwin/cygwin-ug-net/ntsec.html

Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Developer                        mailto:cygwin AT sources DOT redhat DOT com
Red Hat, Inc.
mailto:vinschen AT redhat DOT com

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