From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=5.0 tests=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 edbd7215 for ; Sun, 23 Jun 2019 14:49:33 +0000 (UTC) Received: by minnie.tuhs.org (Postfix, from userid 112) id 8D02694FAD; Mon, 24 Jun 2019 00:49:32 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id DE2F094F6B; Mon, 24 Jun 2019 00:49:17 +1000 (AEST) Received: by minnie.tuhs.org (Postfix, from userid 112) id 01A8594F6B; Mon, 24 Jun 2019 00:49:16 +1000 (AEST) X-Greylist: delayed 2970 seconds by postgrey-1.36 at minnie.tuhs.org; Mon, 24 Jun 2019 00:49:15 AEST Received: from freefriends.org (freefriends.org [96.88.95.60]) by minnie.tuhs.org (Postfix) with ESMTPS id 6621E94F68 for ; Mon, 24 Jun 2019 00:49:15 +1000 (AEST) X-Envelope-From: arnold@skeeve.com Received: from freefriends.org (freefriends.org [96.88.95.60]) by freefriends.org (8.14.7/8.14.7) with ESMTP id x5NDxgUR028928 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sun, 23 Jun 2019 07:59:42 -0600 Received: (from arnold@localhost) by freefriends.org (8.14.7/8.14.7/Submit) id x5NDxfCP028927; Sun, 23 Jun 2019 07:59:41 -0600 From: arnold@skeeve.com Message-Id: <201906231359.x5NDxfCP028927@freefriends.org> X-Authentication-Warning: frenzy.freefriends.org: arnold set sender to arnold@skeeve.com using -f Date: Sun, 23 Jun 2019 07:59:41 -0600 To: tuhs@minnie.tuhs.org, nobozo@gmail.com References: <8D0B5B0D-9956-47D7-8D36-1729BB1E1DA9@eschatologist.net> <20190623051500.GL30743@mcvoy.com> <8d4e21dd-f2f8-347b-94c3-072898c01c54@gmail.com> In-Reply-To: <8d4e21dd-f2f8-347b-94c3-072898c01c54@gmail.com> User-Agent: Heirloom mailx 12.5 7/5/10 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Subject: Re: [TUHS] CMU Mach sources? X-BeenThere: tuhs@minnie.tuhs.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: The Unix Heritage Society mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" Jon Forrest wrote: > I wonder if Mach was a Postgres or BSD style project. More the former than the latter. Mach entered the commercial world by way of NeXT, and there were a few other more or less production versions, such as the mt. Xinu one and MachTen (IIRC), but Mach never really caught on big. (There was even a port of Linux on top of Mach at some point.) Mach survives today in the kernel of Mac OS X (Darwin), but I think that's about it. Rick Rashid, who was the guiding professor for Mach, went to Microsoft Research, and as far as I can tell, fell off the radar screen for OS development work. (Anyone who knows different feel free to correct me.) Arnold