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Date:	Fri, 7 Mar 2008 16:14:20 +0100
From:	Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: same user and group
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On Mar  7 20:21, Jaspreet Singh wrote:
> hi,
> 
> i am using cygwin on windows xp pro. can any body have idea how to create same user and group with same name like bin

Windows doesn't allow users and groups with the same name.  Cygwin does
in a virtual kind of way.  For instance, create a user "bin" and a group
"bin-grp".  Let's assume they have the following SIDs:

  S-1-5-21-9-8-7-1011 user "bin"
  S-1-5-21-9-8-7-1012 group "bin-grp"

Create passwd and group entries:

  $ mkpasswd -l -u bin >> /etc/passwd
  $ grep '^bin:' /etc/passwd
  bin:unused_by_nt/2000/xp:1011:513:U-YOUR_PC\bin,S-1-5-21-9-8-7-1011:/home/bin:/bin/bash
  $ mkgroup -l -g bin-grp >> /etc/group
  $ grep '^bin-grp:' /etc/group
  bin-grp:S-1-5-21-9-8-7-1012:1012:

Then edit /etc/passwd so that the primary group for bin is 1012 and
edit /etc/group so that bin-grp is called bin:

  $ grep '^bin:' /etc/passwd
  bin:unused_by_nt/2000/xp:1011:1012:U-YOUR_PC\bin,S-1-5-21-9-8-7-1011:/home/bin:/bin/bash
  $ grep '^bin-grp:' /etc/group
  bin:S-1-5-21-9-8-7-1012:1012:


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader          cygwin AT cygwin DOT com
Red Hat

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