Path: utzoo!attcan!uunet!samsung!sdd.hp.com!uakari.primate.wisc.edu!zaphod.mps.ohio-state.edu!tut.cis.ohio-state.edu!cis.ohio-state.edu!karl_kleinpaste
From: karl_kleinpaste@cis.ohio-state.edu
Newsgroups: comp.mail.misc
Subject: Re: how do I mail to a lot of unix users?
Message-ID: <KARL.90May31113729@giza.cis.ohio-state.edu>
Date: 31 May 90 15:37:29 GMT
References: <900531083220.30e0b91a@Csa2.LBL.Gov>
Sender: news@tut.cis.ohio-state.edu
Organization: Ohio State Computer Science
Lines: 6

Depending on what you want to do, try either
	mail `users`					# finds those logged in
or
	mail `awk -F: '{ print $1 }' /etc/passwd`	# finds everybody

--karl