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=-0.8 required=5.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FROM,MAILING_LIST_MULTI, RCVD_IN_DNSWL_NONE autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 22604 invoked from network); 3 Apr 2021 01:25:49 -0000 Received: from minnie.tuhs.org (45.79.103.53) by inbox.vuxu.org with ESMTPUTF8; 3 Apr 2021 01:25:49 -0000 Received: by minnie.tuhs.org (Postfix, from userid 112) id 6C7279C9FD; Sat, 3 Apr 2021 11:25:46 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id D3C0A9C641; Sat, 3 Apr 2021 11:24:56 +1000 (AEST) Authentication-Results: minnie.tuhs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="UVgRQTvG"; dkim-atps=neutral Received: by minnie.tuhs.org (Postfix, from userid 112) id 0C2179C641; Sat, 3 Apr 2021 11:24:54 +1000 (AEST) Received: from mail-ej1-f48.google.com (mail-ej1-f48.google.com [209.85.218.48]) by minnie.tuhs.org (Postfix) with ESMTPS id 461549C63F for ; Sat, 3 Apr 2021 11:24:53 +1000 (AEST) Received: by mail-ej1-f48.google.com with SMTP id a7so9398844ejs.3 for ; Fri, 02 Apr 2021 18:24:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=YUgfBfx62jMBlHqN2PKyLNh0Bd8Lfla8Uqu1X+WGT3I=; b=UVgRQTvGUBIOzGMEsIk71iMeuag1BXRYtzMFpKcaH0oD3xkzIbgQqb0LWgBHrLlVoc tC6EPrVtvlmxJ6MRisYlsiODxrVsMPa6krrFNW9Ql/vK1k+i0zSTWagERDiKlCWzxN9i OmoCtCtCY01oc6utO7/TgAx03ol3fivKJFm/7G6ZXZTI3lTEJCCkLFER6nBM3yoKIYJ0 9NNNQoFHEl0vZF9SEsFAUR1hodju/dhcs3EyZYqoX2BAJY7LKXl9LTc8vISp1R80FNmH 1S4e3vnI0vkF+xVrrEQ33o8cTZ16JVVhV4TXqTZQIlhMuoD5KAFcqsw5BZls7Q91GsAH VxxQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=YUgfBfx62jMBlHqN2PKyLNh0Bd8Lfla8Uqu1X+WGT3I=; b=nUewcWqBgrRZ5u6tyW99IlEFxHQ3ceaZK6X/WYQhsaWnaiYVqv9/z6D7Sq6xW1p9dv Bx/7gTmWzQI/7Jf0cnb0LaXQfa3j5e0tCKVqeNiz/ze/XBGdr/C/D5SJXFhApEVD4rsV N/oux7xQ7nm5LWpn8zhfOznKeWJ12BrZzP1mexFnC+OPTlqowVXAM8amhXO8Wf5U8XXR KO/w4L3JWFWHKDgQ3VeaCNwVN8pZjFSkKY2SmVndoJg0oNdUB0XvX+49K1vmzXXiWUZm 5yDMXla6jctcAki9808KvYJhho1FbRcq1fjtQT1yd8p2aTBYlRhelZlRcOmDvQyigNrM olGw== X-Gm-Message-State: AOAM531ka0W4UY8koSpAluiRoXRtFOxPkHEiVU2wOLLUxTpo6SB0KMRY yNIOZb0X0RMRdu6y241+8V++/reitogLzz9yDbU= X-Google-Smtp-Source: ABdhPJyWYqNA0Tb3tPHQGC5r0gPxUOo6bw62QSSFhHe60g1rEGz1p5Kne7s49q0uZM+NjXrDQKxnDjOJI1LXPQHr5H8= X-Received: by 2002:a17:906:14d0:: with SMTP id y16mr16969792ejc.242.1617413091723; Fri, 02 Apr 2021 18:24:51 -0700 (PDT) MIME-Version: 1.0 Received: by 2002:aa7:cc0a:0:0:0:0:0 with HTTP; Fri, 2 Apr 2021 18:24:51 -0700 (PDT) In-Reply-To: References: <20210401145025.GA1202@naleco.com> From: Wesley Parish Date: Sat, 3 Apr 2021 14:24:51 +1300 Message-ID: To: Clem Cole Content-Type: text/plain; charset="UTF-8" Subject: Re: [TUHS] 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: , Cc: TUHS main list , Josh Good Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" Thanks. I knew IBM had had some involvement with 4.*BSD, but lacked the details. Wesley Parish On 4/3/21, 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 had gone to DEC by then. >