Path: utzoo!mnetor!uunet!seismo!sundc!pitstop!sun!decwrl!decvax!ucbvax!pasteur!ames!nrl-cmf!cmcl2!brl-adm!brl-smoke!gwyn
From: gwyn@brl-smoke.ARPA (Doug Gwyn )
Newsgroups: comp.unix.wizards
Subject: Re: Shared Memory in BSD4.3 is lacking?
Message-ID: <7371@brl-smoke.ARPA>
Date: 28 Feb 88 02:05:44 GMT
References: <9100@ism780c.UUCP> <2329@umd5.umd.edu> <7435@ncoast.UUCP>
Reply-To: gwyn@brl.arpa (Doug Gwyn (VLD/VMB) <gwyn>)
Organization: Ballistic Research Lab (BRL), APG, MD.
Lines: 8

In article <7435@ncoast.UUCP> allbery@ncoast.UUCP (Brandon Allbery) writes:
>Umm, as far as I know, USG 3.0 (== System III) did NOT have shared memory.

Right -- it appeared (along with semaphore and message IPC) in USG 4.0,
which seems to have merged these in from earlier UNIX/RT as part of the
consolidation of internal AT&T UNIX variants.

P.S.  I don't know WHAT the "right" way is -- I suspect there isn't one.