Path: utzoo!mnetor!uunet!husc6!bloom-beacon!gatech!ncar!noao!arizona!lm
From: lm@arizona.edu (Larry McVoy)
Newsgroups: comp.unix.wizards
Subject: Re: SVR3.0 vs BSD4.3
Message-ID: <4509@megaron.arizona.edu>
Date: 25 Mar 88 20:47:39 GMT
References: <12414@brl-adm.ARPA> <4361@megaron.arizona.edu> <7499@brl-smoke.ARPA> <7542@brl-smoke.ARPA> <445@vsi.UUCP>
Reply-To: lm@megaron.arizona.edu (Larry McVoy)
Organization: University of Arizona, Tucson
Lines: 11

In article <445@vsi.UUCP> friedl@vsi.UUCP (Stephen J. Friedl) writes:
>Shell layers do not involve any kind of signals.  When ^Z is hit,
>the sxt driver gives control back to channel zero, which is
>usually the layer manager (here, /usr/bin/shl).  When a user

Which means you could emulate shell layers with pty's.  All that is going is
the master side has several slave sides and switches between them.  It is 
a far cry from job control.
-- 

Larry McVoy	lm@arizona.edu or ...!{uwvax,sun}!arizona.edu!lm