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=-0.8 required=5.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,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 5c46fd4c for ; Wed, 5 Dec 2018 05:34:43 +0000 (UTC) Received: by minnie.tuhs.org (Postfix, from userid 112) id 2C718A221A; Wed, 5 Dec 2018 15:34:42 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id 43079A1F0E; Wed, 5 Dec 2018 15:34:13 +1000 (AEST) Received: by minnie.tuhs.org (Postfix, from userid 112) id 32D52A1F04; Wed, 5 Dec 2018 15:34:06 +1000 (AEST) X-Greylist: delayed 2733 seconds by postgrey-1.35 at minnie.tuhs.org; Wed, 05 Dec 2018 15:34:00 AEST Received: from smtp.hungerhost.com (smtp.hungerhost.com [216.38.51.7]) by minnie.tuhs.org (Postfix) with ESMTPS id 932F6A1F01 for ; Wed, 5 Dec 2018 15:34:00 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mcjones.org ; s=default; h=To:References:Message-Id:Content-Transfer-Encoding:Cc:Date: In-Reply-To:From:Subject:Mime-Version:Content-Type:Sender:Reply-To:Content-ID :Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To: Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe :List-Post:List-Owner:List-Archive; bh=8ImcOOd5Y4hiW5q2esC1hZ6oRiDE7e3wb4Qb4VoDaa0=; b=LxOT4WgVm8dP4/wm5oFXYoFXZY iY30qd/vNG6gX/Rqt88KkGVreBnAknHuHQ+2qCA3I7vugSUzpe+meduIi3Krc+D1AqRZfDLgDcuyS 70eQLkunpPm4q3cKbAQl3cznwTB91v7y0c9Ocko7/Y7fSCH0XRDzMcoBAJGCaC+opGbE=; Received: from [76.231.26.130] (port=50925 helo=[192.168.1.67]) by vps.hungerhost.com with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.91) (envelope-from ) id 1gUP6o-0007dS-Ls; Tue, 04 Dec 2018 23:48:26 -0500 Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 12.1 \(3445.101.1\)) From: Paul McJones In-Reply-To: Date: Tue, 4 Dec 2018 20:48:24 -0800 Content-Transfer-Encoding: quoted-printable Message-Id: <385DF3A2-447D-4CD4-AC5C-9F541070C28B@mcjones.org> References: To: Greg 'groggy' Lehey X-Mailer: Apple Mail (2.3445.101.1) X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - vps.hungerhost.com X-AntiAbuse: Original Domain - minnie.tuhs.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - mcjones.org X-Get-Message-Sender-Via: vps.hungerhost.com: authenticated_id: mcjones@mcjones.org X-Authenticated-Sender: vps.hungerhost.com: mcjones@mcjones.org X-Source: X-Source-Args: X-Source-Dir: Subject: Re: [TUHS] Tandem NSK implementation language (was: Happy birthday, John Backus!) X-BeenThere: tuhs@minnie.tuhs.org X-Mailman-Version: 2.1.20 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" > On Dec 4, 2018, Greg 'groggy' Lehey wrote: >=20 > The original Tandem OS (called Guardian at the time) was written in = Tandem's TAL (Transaction Application Language, amongst other = productions), a vague evolution of HP's SPL that looked more like Algol, = starting in about 1974. That is also the earliest I know of an = operating system being implemented entirely in a high level language. Most likely the earliest operating system written in a high-level = language was the one for the Burroughs B5000 (early 1960s), written in a = dialect of Algol 60. Others: Multics, written in PL/1 (starting in mid = 1960s), the operating system for the Berkeley Computer Corporation=E2=80=99= s BCC-500, written in BCC SPL (system programming language) (late = 1960s), OS6 by Stoy and Strachey, written in BCPL (early 1970s), Xerox = Alto OS, written in BCPL (about 1974).