Path: utzoo!mnetor!uunet!mcvax!dutrun!dutesta!pjb
From: pjb@dutesta.UUCP (P.J. Brand)
Newsgroups: comp.unix.questions
Subject: Re: Using 'exit' in a Bourne shell script
Message-ID: <1074@dutesta.UUCP>
Date: 1 Feb 88 15:52:20 GMT
References: <169@mccc.UUCP>
Organization: Delft University of Technology, Netherlands
Lines: 36

From article <169@mccc.UUCP>, by pjh@mccc.UUCP (Peter J. Holsberg):
> I would like to have my users logout via a shell script "off" rather
> than with ^d.  The script I wrote is very simple, but 'exit' has no
> effect.
> 
> 		echo "OFF \c:" >> /usr/.logins
> 		who am i >> /usr/.logins
> 		exit
> 
> The correct entries appear in /usr/.logins, but 'exit' seems to be
> ignored.  Typing 'exit' at the prompt does in fact do what I want --
> i.e., act as a substitute for ^d.  I see that exit(2) is a system call
> that terminates the calling process.  Oh oh!  It terminates 'off' but
> doesn't log the user off!  Rats!@!@#$%
> 
> Can anyone suggest a way (SysVr3.0) to do what I want?  Thanks.
> .
> 
> -- 

The script would work if your users would call:

	. /usr/local/off

or wherever your script is stored.
But, instead, you would probably prefer to use:

	kill -9 0

instead of the exit, to make the script work as expected.


==============================================================================
Paul Brand
Delft University of Technology         INTERNET : karel@dutesta.UUCP
Faculty of Electrical Engineering      UUCP     : ..!mcvax!dutrun!dutesta!karel