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=-0.4 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,HTML_FONT_LOW_CONTRAST, HTML_IMAGE_ONLY_28,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 d31fbc67 for ; Sun, 3 Feb 2019 22:33:49 +0000 (UTC) Received: by minnie.tuhs.org (Postfix, from userid 112) id 852619B89C; Mon, 4 Feb 2019 08:33:48 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id 81E8B9B892; Mon, 4 Feb 2019 08:33:33 +1000 (AEST) Authentication-Results: minnie.tuhs.org; dkim=pass (1024-bit key; unprotected) header.d=ccc.com header.i=@ccc.com header.b="QSnFNkLK"; dkim-atps=neutral Received: by minnie.tuhs.org (Postfix, from userid 112) id D17C69B892; Mon, 4 Feb 2019 08:33:31 +1000 (AEST) Received: from mail-wm1-f49.google.com (mail-wm1-f49.google.com [209.85.128.49]) by minnie.tuhs.org (Postfix) with ESMTPS id 1A0AC9B891 for ; Mon, 4 Feb 2019 08:33:31 +1000 (AEST) Received: by mail-wm1-f49.google.com with SMTP id m22so11493808wml.3 for ; Sun, 03 Feb 2019 14:33:31 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ccc.com; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=3UGEMraWiI0cTYeMk9KUKGhv3/B7B/yFURM6dYQYhHk=; b=QSnFNkLK3BV2baYZYGmHNxmuytWl7p1LgG7aI1oJgZo4lgjILHEuueB8kyHX4vx/Vb PQerj2ZPDIMpl+YiIA4iaaRJWts+JjyB1PISjNY2GlmPCYCmia7kLn1imgO0Xk+cioyQ Zl+6SCiwaVwoMZrKsYj8EKTZAh/6UVGjH9NkY= 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=3UGEMraWiI0cTYeMk9KUKGhv3/B7B/yFURM6dYQYhHk=; b=ouPcG2GBknP8Is4DW3Hxs0QuoimLeQGNBib6LmCil9u7xaQeBDpx1FkRHSH2VPCkpz CX5b65EsR78Hp1FeokJAoVOR/wCT9im9oXYQdX0IiyQSQcsJkEdnQNg87P0YbikDuz+v y6GBNldwaCK3Rk65cRgpPjDqoDGkgS+ICpe+O81QWuAx0ewYJR4f9a+q6M4l4TUHgHkx t5iJTaFJ309v8KOWgVbQxema8KRkzM3sfXhyhzKH0LdcXCq63gDn3pIk7MdTTQL79MAd sZtX69H1oyF+T+dUTgZ79cqVacrJszOc4A8Ki2Zd4ELQWL54bXXqM3Zq9b21R69a2qbQ 55wQ== X-Gm-Message-State: AHQUAuYJT24/LDnsKgFd+poNtitZauprPtsQvEZPJ8Nc8g2PkhfEt3xx lu+0EEkjJnH5f+VW1p7ZPBdLAtFs773l4a+DdF4IWgUz X-Google-Smtp-Source: AHgI3IZqRXT5onvycBQBxCjPhcZg/FOPxTVTqc/QZu3d5XnHzmn/jkvjT0NlJ7e/OW74guw+oDrtF+fJyxIhhRsSqgE= X-Received: by 2002:a1c:30b:: with SMTP id 11mr10921347wmd.110.1549233209559; Sun, 03 Feb 2019 14:33:29 -0800 (PST) MIME-Version: 1.0 References: <20190203213907.GA6142@eureka.lemis.com> In-Reply-To: From: Clem Cole Date: Sun, 3 Feb 2019 17:33:03 -0500 Message-ID: To: Dave Horsfall Content-Type: multipart/alternative; boundary="000000000000215515058104f7ab" Subject: Re: [TUHS] Happy birthday, Ken Thompson! 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: The Eunuchs Hysterical Society Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" --000000000000215515058104f7ab Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Sun, Feb 3, 2019 at 5:08 PM Dave Horsfall wrote: > > My vague (and rough) recollection is CP/M -> DOS -> Windows. > "Windows" =3D=3D Win95 -- which was a user Interface spec the kernel died IBM CP-DOS -> OS/2 --\ \ ---> NT OS-2 -> NT/WIN ....... Today's Windows CMU Mach --\ / ---> Mica -/ DEC VMS --/ When Cutler did Mica and then NT OS-2 he did not care what the user interface was. Mica was a pure uk and NT OS-2 was also, but by the time of the product it became a hybrid. Putting a different user interface, be it DOS, OS/2, Unix, VMS or Windows was in the kernel design. Clem =E1=90=A7 --000000000000215515058104f7ab Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable


On Sun, Feb 3, 2019 at 5:08 = PM Dave Horsfall <dave@horsfall.org= > wrote:
=
My vague (and rough) recollection is CP/M -> DOS -> Windows.
<= /blockquote>
"Windows" =3D=3D Win95 -- which was a user In= terface spec the kernel died

IBM CP-DOS -> O= S/2 --\
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 = =C2=A0\
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0---> NT OS-2 -> NT/WIN .......=C2=A0 =C2=A0Today's W= indows
CMU Mach --\=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0= =C2=A0 =C2=A0 /
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0 ---> Mica -/
DEC VMS=C2=A0 =C2=A0--/=


When Cutler did Mica and then NT OS-2 he= did not care what the user interface was.=C2=A0 Mica was a pure uk and NT = OS-2 was also, but by the time of the product it became a hybrid.=C2=A0 =C2= =A0Putting a different user interface, be it DOS, OS/2, Unix, VMS or Window= s was in the kernel design.

Clem
3D""=E1=90=A7 --000000000000215515058104f7ab--