From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) 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=3.4.4 Received: (qmail 25160 invoked from network); 2 Apr 2021 17:55:00 -0000 Received: from minnie.tuhs.org (45.79.103.53) by inbox.vuxu.org with ESMTPUTF8; 2 Apr 2021 17:55:00 -0000 Received: by minnie.tuhs.org (Postfix, from userid 112) id CA4E49C9F6; Sat, 3 Apr 2021 03:54:55 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id 141A49C641; Sat, 3 Apr 2021 03:54:04 +1000 (AEST) Received: by minnie.tuhs.org (Postfix, from userid 112) id 7D60C9C641; Sat, 3 Apr 2021 03:54:02 +1000 (AEST) X-Greylist: delayed 2211 seconds by postgrey-1.36 at minnie.tuhs.org; Sat, 03 Apr 2021 03:54:01 AEST Received: from mail.kaybuena.com (rrcs-71-42-153-194.sw.biz.rr.com [71.42.153.194]) by minnie.tuhs.org (Postfix) with ESMTPS id 4FC329C63F for ; Sat, 3 Apr 2021 03:54:00 +1000 (AEST) Received: from [192.168.147.6] (4dot2 [71.42.153.195]) by mail.kaybuena.com (8.15.2/8.15.2) with ESMTP id 132HH7nN392780 for ; Fri, 2 Apr 2021 12:17:07 -0500 To: tuhs@minnie.tuhs.org References: <20210401145025.GA1202@naleco.com> From: Charles H Sauer Message-ID: Date: Fri, 2 Apr 2021 12:17:10 -0500 User-Agent: Mozilla/5.0 (Windows NT 10.0; rv:78.0) Gecko/20100101 Thunderbird/78.9.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.2 (mail.kaybuena.com [71.42.153.194]); Fri, 02 Apr 2021 12:17:07 -0500 (CDT) Subject: [TUHS] AIX repeat [was Re: Zombified SCO comes back from the dead, brings trial back to life against IBM 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" I'm not sure that I have anything to add beyond repeating citation to https://notes.technologists.com/notes/2017/03/08/lets-start-at-the-very-beginning-801-romp-rtpc-aix-versions/. It credits ISC and LCC appropriately. AIX involvement with SCO, if any, would have been after I left IBM. I find it hard to imagine what that involvement would have been. Charlie On 4/2/2021 11:03 AM, Clem Cole wrote: > > > On Thu, Apr 1, 2021 at 11:54 PM Wesley Parish > wrote: > >  I don't think anybody was even thinking of porting any of > the *BSD to IBM mainframes till much later, am I right? > > No.   BSD was very much on IBM's radar in the late 1970s and 1980s. > > Long before Linus released Linux into the wild in 1990 for the >>386<< > much less any other ISA, IBM had been shipping as a product AIX/370 (and > AIX/PS2 for the 386); which we developed at Locus for them.  The > user-space was mostly System V, the kernel was based on BSD (4.1 > originally) pluis a great deal of customization, including of course the > Locus OS work, which IBM called TCF - the transparent computing > facility.  It was very cool you could cluster 370s and PS/2 and from > >>any<< node run a program of either ISA.   It has been well discussed > in this forum, previously. > > A for AIX/370 a quick history which Charlie can fill in more from the > IBM side, was that in the last 60s and early 70s, IBM had a strange hold > on the education/research market with the S/360; but lost it because of > the lack of timesharing to DEC and PDP-10 based systems as IBM was more > and more focused on the commercial sector where there was much more > money to be made.   But ... there was a drive in the IBM > educational/research team to be able to reenter that market and Locus > was hired to develop AIX/370 (and later PS2) as it was felt that UNIX > was considered an important offering for those customers.  After it was > released as a product, it turned out purchasing AIX/370 was exceedingly > difficult (for a number of reasons), although it was extremely well > received by those that ran it, but getting it was difficult.  In fact, I > have been told by folks that there at the time, that using TCF was an > important feature here at Intel for the success of the simulation for > the 486 and Pentium. > > Again, Charlie can tell you the history but IBM also developed AIX for > the RS/6000 which was the same OS (only different) from IBM Austin(no > TCF, but supported DS which was cool in its own right).  Locus was > actually contracted to develop a UNIX subsystem for the AS/400 also, but > I'm not sure if that ever shipped.  I had left Locus and hadgoneto DEC > by then. -- voice: +1.512.784.7526 e-mail: sauer@technologists.com fax: +1.512.346.5240 Web: https://technologists.com/sauer/ Facebook/Google/Skype/Twitter: CharlesHSauer