Re: Strange behavior observed w.r.t 'su' command

[Raj]

Andreas Schwab wrote:

> mru@xxxxxx (Måns Rullgård) writes:
>
>  
>
> > It appears that my su exec()s the shell, whereas the redhat and gentoo
> > su fork() and exec().
> >    
>
> Yes, your su probably does not support PAM.
>
> Andreas.
>
>  
But why is it that after 'su - root', running 'ps' shows 'su' as a 
separate process, whereas, 'su - otheruser' and then 'ps' does not show 
'su' in the process list ??
In plain words, why does this happen only for su to root ?

/Raj


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