From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-0.6 required=5.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.4 Received: from minnie.tuhs.org (minnie.tuhs.org [IPv6:2600:3c01:e000:146::1]) by inbox.vuxu.org (Postfix) with ESMTP id 233C127314 for ; Fri, 7 Jun 2024 07:33:07 +0200 (CEST) Received: from minnie.tuhs.org (localhost [IPv6:::1]) by minnie.tuhs.org (Postfix) with ESMTP id 6C21B427C8; Fri, 7 Jun 2024 15:33:03 +1000 (AEST) Received: from mail-pf1-x430.google.com (mail-pf1-x430.google.com [IPv6:2607:f8b0:4864:20::430]) by minnie.tuhs.org (Postfix) with ESMTPS id 22C7B40293 for ; Fri, 7 Jun 2024 15:32:52 +1000 (AEST) Received: by mail-pf1-x430.google.com with SMTP id d2e1a72fcca58-7025cb09553so1595651b3a.3 for ; Thu, 06 Jun 2024 22:32:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kev009.com; s=google; t=1717738371; x=1718343171; darn=tuhs.org; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=gWN2VhMD/p8Q9ws3Rkk/ECgKmMgMA8h8fNgMSIJsHig=; b=HRhUbtb1OMiS3hAqXyOmiKRr9+e1wKLrxOK+rcm/rDT13klYHGVjp6cFTymZlzdktU Pu7xVgljs0sSlHCpxfOT+epm/256npn9W2Yiql/CXG5njNzDHhXCSQmtRLxI+y9981Bo 1J2X4W2wrxJu40RUTifimSbxEjL8W3cGBZKwE= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1717738371; x=1718343171; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=gWN2VhMD/p8Q9ws3Rkk/ECgKmMgMA8h8fNgMSIJsHig=; b=SV+R778iAYprMfFsvgdd1BOSj9pnOFvtq7Xix8IMyFz0eFXraUGSbhVqxea5w1N+BB iucU1vZakk3sFlROSwq979+p8DbQJG+TyITB3Gv567KyXRFJxMidEj/0gQH6b9CMw6xO TSTxngZR2fW7QK5j0U/WAnkD3FZw7ZP/ZdLndh/tG6jUmK95iCjivNg/yjNOjDc7vNqp oOP7ccOHqivFrm6QqvXubaJqs1M/qzEZca6Q84QsjSYcudnIlZZG7x8Gz9t2QJZr4vPl tUyX72FvogcCsfUTgK6JO6b5L61t0P9LPw/uxHcPpEzSlQToGKirV7FpgdKr8Bt7f49j icyw== X-Gm-Message-State: AOJu0YxNvDPXjQTvBhCsCqe5VKEjPBd/OVUxiQSkZjziLcW8g6lVqrKU VaO7eQZGaSWeUuWZ3skUSYhFT8uvxXrY2BNdkdfTKtBGAnTyFDf7u3pDK0eiT7uXMLHGjLhVjNQ YfMnH9VSTiXhH0FBTpaoDBAN8ZEmTHXoUVA+XbHbPTKgG27jqcw== X-Google-Smtp-Source: AGHT+IFuN3mnTrN+NPPzNjBlEw85PSpCgoY/bvPkXBSfUTNXfeQAggIl7txZ+Qc7ffbFHLvHAt/oDxuDKbzorEXUXbs= X-Received: by 2002:a05:6a20:7290:b0:1b2:b220:2db9 with SMTP id adf61e73a8af0-1b2f969ee10mr2292702637.9.1717738371329; Thu, 06 Jun 2024 22:32:51 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Kevin Bowling Date: Thu, 6 Jun 2024 22:32:40 -0700 Message-ID: To: segaloco Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Message-ID-Hash: M4M43SVGTWRDCDHV4UP4YGVHU2S67PBS X-Message-ID-Hash: M4M43SVGTWRDCDHV4UP4YGVHU2S67PBS X-MailFrom: kevin.bowling@kev009.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header CC: The Eunuchs Hysterical Society X-Mailman-Version: 3.3.6b1 Precedence: list Subject: [TUHS] Re: CSRC Involvement in Non-UNIX AT&T Software Projects List-Id: The Unix Heritage Society mailing list Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: On Thu, Jun 6, 2024 at 10:00=E2=80=AFPM segaloco via TUHS w= rote: > > I'm reading about the Automatic Intercept System as discussed in BSTJ Vol= . 53 No. 1 this evening. It is a stored program control call handling syst= em designed to respond to calls with potential forwarding or disconnection = messages. Reading through the description of the operating system for AIS = got me wondering: > > What with the growing experience in the CSRC regarding kernel technologie= s and systems programming, was there ever any crossover regarding UNIX folk= s applying their developments to other non-UNIX AT&T systems projects or vi= ce versa, perhaps folks who worked primarily on switching and support softw= are bringing things over to the UNIX development camp? In other words, was= there personnel cross-pollination between Bell System UNIX programmers and= the folks working on stuff like AIS, ESS switching software, etc.? Or wer= e the aims and implementation of such projects so different that the resour= ces were relatively siloed? https://en.wikipedia.org/wiki/Alexander_G._Fraser bio is an example of what you seem to be after > I would imagine some of these projects were at least developed using UNIX= given the popularity and demands of PWB. That's just my hunch though, som= e BSTJs also describe software development and maintenance taking place on = S/360 and S/370 machines and various PDPs. Indeed the development process = for AIS mentioned above, as of late 1971, involved assembly via S/360 softw= are and then system maintenance and debugging via an attached PDP-9. > > - Matt G.