Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!linus!vaxine!wjh12!genrad!decvax!ittvax!dcdwest!sdcsvax!sdcrdcf!hplabs!sri-unix!gwyn@BRL-VLD.ARPA From: gwyn@BRL-VLD.ARPA Newsgroups: net.unix Subject: Re: job control in Sys V Message-ID: <935@sri-arpa.UUCP> Date: Sat, 16-Jun-84 21:06:09 EDT Article-I.D.: sri-arpa.935 Posted: Sat Jun 16 21:06:09 1984 Date-Received: Wed, 20-Jun-84 00:38:26 EDT Lines: 14 From: Doug Gwyn (VLD/VMB)UNIX System V Release 2 provides a form of job control, but it differs significantly from Berkeley's: - Uses "sxt" pseudo-devices (like pty's but better) - Obtained by running "shl" (shell layers) program - Layers are transparent to applications - No signals are involved - Apparently applications cannot determine the "shl" activity (so that for example a screen editor will not be able to automatically refresh the display when the editor job is reactivated) Not available on the PDP-11/70, according to the SRD.