From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <tuhs-bounces@minnie.tuhs.org>
X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on inbox.vuxu.org
X-Spam-Level: 
X-Spam-Status: No, score=-0.8 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS,
	MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE autolearn=ham autolearn_force=no
	version=3.4.2
Received: from minnie.tuhs.org (minnie.tuhs.org [45.79.103.53])
	by inbox.vuxu.org (OpenSMTPD) with ESMTP id 12eebb5b
	for <ml@inbox.vuxu.org>;
	Wed, 28 Aug 2019 19:05:42 +0000 (UTC)
Received: by minnie.tuhs.org (Postfix, from userid 112)
	id 46DA39BDBB; Thu, 29 Aug 2019 05:05:41 +1000 (AEST)
Received: from minnie.tuhs.org (localhost [127.0.0.1])
	by minnie.tuhs.org (Postfix) with ESMTP id CC8F09BCD7;
	Thu, 29 Aug 2019 05:05:35 +1000 (AEST)
Received: by minnie.tuhs.org (Postfix, from userid 112)
 id B2E269BCD7; Thu, 29 Aug 2019 05:05:34 +1000 (AEST)
Received: from mcvoy.com (mcvoy.com [192.169.23.250])
 by minnie.tuhs.org (Postfix) with ESMTPS id 75D6F9BCD0
 for <tuhs@tuhs.org>; Thu, 29 Aug 2019 05:05:34 +1000 (AEST)
Received: by mcvoy.com (Postfix, from userid 3546)
 id 14D0835E0A8; Wed, 28 Aug 2019 12:05:34 -0700 (PDT)
Date: Wed, 28 Aug 2019 12:05:34 -0700
From: Larry McVoy <lm@mcvoy.com>
To: Chet Ramey <chet.ramey@case.edu>
Message-ID: <20190828190534.GH13570@mcvoy.com>
References: <201908281841.x7SIfQS7053036@tahoe.cs.Dartmouth.EDU>
 <201908281849.x7SInUE1024803@freefriends.org>
 <93732314-1521-3118-47c0-5b973b7b926e@case.edu>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <93732314-1521-3118-47c0-5b973b7b926e@case.edu>
User-Agent: Mutt/1.5.24 (2015-08-30)
Subject: Re: [TUHS] dmr streams & networking [was: Re: If not Linux,
 then what?]
X-BeenThere: tuhs@minnie.tuhs.org
X-Mailman-Version: 2.1.26
Precedence: list
List-Id: The Unix Heritage Society mailing list <tuhs.minnie.tuhs.org>
List-Unsubscribe: <https://minnie.tuhs.org/cgi-bin/mailman/options/tuhs>,
 <mailto:tuhs-request@minnie.tuhs.org?subject=unsubscribe>
List-Archive: <http://minnie.tuhs.org/pipermail/tuhs/>
List-Post: <mailto:tuhs@minnie.tuhs.org>
List-Help: <mailto:tuhs-request@minnie.tuhs.org?subject=help>
List-Subscribe: <https://minnie.tuhs.org/cgi-bin/mailman/listinfo/tuhs>,
 <mailto:tuhs-request@minnie.tuhs.org?subject=subscribe>
Cc: tuhs@tuhs.org, doug@cs.dartmouth.edu
Errors-To: tuhs-bounces@minnie.tuhs.org
Sender: "TUHS" <tuhs-bounces@minnie.tuhs.org>

On Wed, Aug 28, 2019 at 03:03:34PM -0400, Chet Ramey wrote:
> On 8/28/19 2:49 PM, arnold@skeeve.com wrote:
> 
> >> Sorry, what I said about London/Reiser is true, but not the whole
> >> story. L/R didn't have demand paging; BSD did.
> > 
> > But my question still stands. Why didn't Research keep going from L/R
> > and add demand paging?  Wouldn't that have been "cleaner" than starting
> > from BSD?
> 
> It's my impression that BSD had done other work that Research didn't want
> to duplicate, like autoconfiguration, device support, and so on. Joy got
> a lot out of the VAX hardware.

He was a coding machine back then.  Quite the legacy.