Subject: Re: PAM and su -K
To: Pavel Cahyna <pavel.cahyna@st.mff.cuni.cz>
From: Jason Thorpe <thorpej@shagadelic.org>
List: tech-userlevel
Date: 01/23/2005 10:14:48
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On Jan 23, 2005, at 8:04 AM, Pavel Cahyna wrote:

> And why do you need them in /bin and /sbin?
>
> $ command -V login
> login is /usr/bin/login
> $ command -V su
> su is /usr/bin/su

You don't.  The only program in /bin or /sbin that does authentication 
is /sbin/init, and it was decided that it will retain its legacy Unix 
auth code, for the simple fact that there is no reason to support any 
other type of authentication with that program.

         -- Jason R. Thorpe <thorpej@shagadelic.org>


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