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=-0.6 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,HTML_FONT_FACE_BAD,HTML_MESSAGE, 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 78f8da4f for ; Sat, 22 Feb 2020 06:49:26 +0000 (UTC) Received: by minnie.tuhs.org (Postfix, from userid 112) id 74DC69CB9F; Sat, 22 Feb 2020 16:49:25 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id 9077B9B929; Sat, 22 Feb 2020 16:48:47 +1000 (AEST) Authentication-Results: minnie.tuhs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="qvZ4tZQa"; dkim-atps=neutral Received: by minnie.tuhs.org (Postfix, from userid 112) id AE3E99B929; Sat, 22 Feb 2020 16:48:42 +1000 (AEST) Received: from mail-oi1-f169.google.com (mail-oi1-f169.google.com [209.85.167.169]) by minnie.tuhs.org (Postfix) with ESMTPS id F245693D74 for ; Sat, 22 Feb 2020 16:48:40 +1000 (AEST) Received: by mail-oi1-f169.google.com with SMTP id r137so3971102oie.5 for ; Fri, 21 Feb 2020 22:48:40 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=L62Ej6H/GPf2DMp/OlOh76DKZmLhevxlev3j592tbj4=; b=qvZ4tZQatBAtpejwTKV1c844NvGrf5g9wK6TjaKuispO1IJBn7W8iqUgCJwh3Te0ri 861yCDY4Z0GJZQmnlCllJyfgRVHF+pabm7Zf4oeVKnFS8hEKhXbJJwGG1RdtdQ+MisTt /izesn6Xex97rjGgoBwu1Sh1GYX/r82u0qsI6lBTLtuSwAPN7UDlmOXYpHQCNKKmR1BX 8AUSYotE8BWHm1Gz87zu9va6ORCb5EF0cPz87adzCvD26dJsgHAy3fIArXd7QW+9BTcD W0esAhRJ7CO4eRwYu5bPMeqskF5d7ttmPn9kUhBHKikkXzOaJucJa09g6qDwzQVjNl5o 8Smg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=L62Ej6H/GPf2DMp/OlOh76DKZmLhevxlev3j592tbj4=; b=CUoRybUM6LdjxhLbY4iiJQ1+bQOvG05Dh/BYhsgXU9GM+rm1PoMzT7XUp2oqORh3ut ScFGYUtCNMptxOWDmF532PmbWG3voCRSO9XVmCudQ5bFKBLTGthBQ5UPE61MwlUtDYc8 GvWmLhuyFRrCFeiArspwiGU/33Q8F0YEoQ83c2ydavFXi87vmht00Rsg3hyw4w8Qm4HV CmR7AsQ2zffGLXJnpJj4Y0k9bTxzw0ekBb3ekhqkF4FttjwVjF5CQm9NLWXh+NmHic0I 5rMTVhxw6WKxGP8l/IMtFTkYCNQjg4F3ann+ezT8zggIWF2QiH3JQzEmRFX+eqeApu+r GMcA== X-Gm-Message-State: APjAAAX4aPyAWgb3/bV4dz7kg0m+bbM9+FtQu/bZYYzDpTKezyujANNw M5ZU3rHvBcl30BTPtBfedkSyXAQia4SYkCkN5LrvXV+c X-Google-Smtp-Source: APXvYqyMwi2R/HSg0d6RHwOvfOQVw9m8p7dwnRO/VLcuAjS+y1TWu4PjqxbzYF28xkhmMFe/yDeoEny6l4CfovkMl/o= X-Received: by 2002:aca:48cd:: with SMTP id v196mr5288790oia.102.1582354117254; Fri, 21 Feb 2020 22:48:37 -0800 (PST) MIME-Version: 1.0 References: <202002171520.01HFKqKi026749@tahoe.cs.Dartmouth.EDU> <5a37e3af-0226-8080-533a-e2428646ce7d@osta.com> In-Reply-To: <5a37e3af-0226-8080-533a-e2428646ce7d@osta.com> From: Ed Bradford Date: Sat, 22 Feb 2020 00:48:25 -0600 Message-ID: To: heinz@osta.com Content-Type: multipart/alternative; boundary="000000000000116396059f2487ee" Subject: Re: [TUHS] man Macro Package and pdfmark 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@minnie.tuhs.org Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" --000000000000116396059f2487ee Content-Type: text/plain; charset="UTF-8" Thank you Heinz for correcting my poor memory. I don't think we ever met. Using LSX was a fun project. LSX was before DOS and far better than any DOS in my view. Thank you for responding. Ed On Fri, Feb 21, 2020 at 12:35 PM Heinz Lycklama wrote: > Not true. LSX was developed by yours truly during the mid-70's > while I was at Bell Labs in Murray Hill. See BSTJ July/August 1978, > page 2087-2101. It was developed to support some real-time > features like contiguous files and asynchronous I/O. A number > of groups in Bell Labs used LSX and added device drivers to > support their dedicated applications. > > Western Electric (WE) was responsible for licensing the UNIX system > at the time and only provided source code for the UNIX system for > the PDP11 computer with an MMU for $20K. LSX source code > was not included in this. > > I also developed (actually modified and wrote device drivers for) > a version of the UNIX system that ran on the PDP11/10 computer, > which also did not have an MMU. It could support up to four users. > I believe that the source code for this system (Mini-UNIX) was > provided to some universities by the UNIX Support group at > Bell Labs. WE did not license this. > > I do not believe that WE ever considered licensing a binary > version of LSX or the UNIX System to run on the IBM PC or > any other microcomputer. WE only offered binary licenses > later on, and then only for the PDP11 with an MMU first. > In hindsight, a missed opportunity, but that's another story. > > Doug may be able to offer some insight into this as well. > > Thanks for asking, > > Heinz Lycklama > > On 2/21/2020 2:37 AM, Ed Bradford wrote: > > I also worked with LSX - a stripped down version of Unix that required no > MMU. It worked on a PDP 11/03 and we delivered an LSX product to the > telco's based on LSX. My faulty memory tells me Mike Lesk created LSX. Is > that true? > > Did BTL/AT&T ever try to sell LSX to IBM for its 1981 intro of the IBM PC? > > Ed Bradford, BTL 1976-1983 > Columbus and Whippany > > > -- Advice is judged by results, not by intentions. Cicero --000000000000116396059f2487ee Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Thank you Heinz = for correcting my poor memory. I don't think we ever met. Using LSX was= a fun project.

LSX was before DOS and far better than any DOS in my view.

Than= k you for responding.
Ed

On Fri, Feb 21, 2020 at 12:35 PM Heinz Lycklama <heinz@osta.com> wrote:
=20 =20 =20
Not true. LSX was developed by yours truly during the mid-70's
while I was at Bell Labs in Murray Hill. See BSTJ July/August 1978,
page 2087-2101. It was developed to support some real-time
features like contiguous files and asynchronous I/O. A number
of groups in Bell Labs used LSX and added device drivers to
support their dedicated applications.

Western Electric (WE) was responsible for licensing the UNIX system
at the time and only provided source code for the UNIX system for
the PDP11 computer with an MMU for $20K. LSX source code
was not included in this.

I also developed (actually modified and wrote device drivers for)
a version of the UNIX system that ran on the PDP11/10 computer,
which also did not have an MMU. It could support up to four users.
I believe that the source code for this system (Mini-UNIX) was
provided to some universities by the UNIX Support group at
Bell Labs. WE did not license this.

I do not believe that WE ever considered licensing a binary
version of LSX or the UNIX System to run on the IBM PC or
any other microcomputer. WE only offered binary licenses
later on, and then only for the PDP11 with an MMU first.
In hindsight, a missed opportunity, but that's another story.

Doug may be able to offer some insight into this as well.

Thanks for asking,

Heinz Lycklama

On 2/21/2020 2:37 AM, Ed Bradford wrote:
I also worked with LSX - a stripped down version of Unix that required no MMU. It worked on a PDP 11/03 and we delivered an LSX product to the telco's based on LSX. My faulty memory tells me Mike Lesk created LSX. Is that true?

Did BTL/AT&T ever try to sell LSX to IBM for its 1981 intro of the IBM PC?

Ed Bradford, BTL 1976-1983
Columbus and Whippany



--
=
Advice is judged by results, not by in= tentions.
=C2=A0 Cicero

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