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=-0.4 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HTML_FONT_LOW_CONTRAST,HTML_IMAGE_ONLY_28,HTML_MESSAGE, MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 18147 invoked from network); 9 Jun 2021 20:04:17 -0000 Received: from minnie.tuhs.org (45.79.103.53) by inbox.vuxu.org with ESMTPUTF8; 9 Jun 2021 20:04:17 -0000 Received: by minnie.tuhs.org (Postfix, from userid 112) id 519B093D58; Thu, 10 Jun 2021 06:04:15 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id C681C93D1B; Thu, 10 Jun 2021 06:03:50 +1000 (AEST) Authentication-Results: minnie.tuhs.org; dkim=pass (1024-bit key; unprotected) header.d=ccc.com header.i=@ccc.com header.b="DpzU5tR3"; dkim-atps=neutral Received: by minnie.tuhs.org (Postfix, from userid 112) id 2E16793D1B; Thu, 10 Jun 2021 06:03:49 +1000 (AEST) Received: from mail-qv1-f51.google.com (mail-qv1-f51.google.com [209.85.219.51]) by minnie.tuhs.org (Postfix) with ESMTPS id AE61C93D06 for ; Thu, 10 Jun 2021 06:03:47 +1000 (AEST) Received: by mail-qv1-f51.google.com with SMTP id w9so13483045qvi.13 for ; Wed, 09 Jun 2021 13:03:47 -0700 (PDT) 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=wEHqYmimYBmtwBwmeIFQlXgVlJgyjLvE6KDzvGKG91M=; b=DpzU5tR3rSdFHJOmYei2S+NVAw9MUo6SXCGfWCIItgEU3xpYIjSR+4jqY4PLxukrp3 XcH2Am2f4j1/E8EMWJvGBsjD/3UcQ/dkkX6kCFoFda5pw2t30ePMEwqKndzPJwI8DZLi 7tD7Q2KlovvycErf8WwwSIN5wQi8udPgvgjpk= 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=wEHqYmimYBmtwBwmeIFQlXgVlJgyjLvE6KDzvGKG91M=; b=syfU4w4D9sG35Ozu4UPL6nY3egL5N4MvHEyBc5z9jj5dCK/MUguMPHof64Rcummtiu 9Q3ySv0HVj4TIzcRE25IzmAH7VHsZH3WjZ36EOKGUJ7ipc/eR830vo7qdE4zU//g5siE vdLZiE8DLher+Q/rHql878n/uHQ3G582NFZ26BairVjpVHYq+qtmE7lwmv00IUQ+YPqJ E8/OSZ+hMgBu153+S+dT4q7s6EVF9vDQrqp4o6+4QzHM0Eqyi/n6IJ4szKj8Zm4t4Puq 0pLLdCOh6GT7SxJYEt2ibCkxBiI84unNu4CbLWT3iB7kpueed8629/GMfyYACbVWqIP5 92KA== X-Gm-Message-State: AOAM533kWWORe2BULk94+77hkh8XdEL21tBGoY4t4AiZ+Ln4pT4URuew sBp0jZPBgwUsGF+YsPRwhxRAZ6ig8msEsDj7DOEsRwuJGFRcRg== X-Google-Smtp-Source: ABdhPJx5UraUKLWHoJl7cS8Of10Z2BTLwPHKb6Oe7okMOgsetesT3xnAcazXBxIMFKctnzGsNkp7vVdVAUm/nYctT1c= X-Received: by 2002:a05:6214:1d0f:: with SMTP id e15mr1591303qvd.40.1623269026645; Wed, 09 Jun 2021 13:03:46 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Clem Cole Date: Wed, 9 Jun 2021 16:03:22 -0400 Message-ID: To: Warner Losh Content-Type: multipart/alternative; boundary="000000000000b55f6e05c45ac598" Subject: Re: [TUHS] System IV 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 Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" --000000000000b55f6e05c45ac598 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable There was never a System IV and System III was purely marketing, look at the docs it's PWB 3.0 but the few AT&T marketing/branding folks around didn't want to use the term 'Programmer' when it tried to compete with IBM (which was Charlie Brown - AT&T CEO - dream in those days). As I understand it, the issue was that said folks wanted to sell to commercial sites (and in particular the 3B20S), and naming the software to drive with a term like 'programmer' would be a turn-off for less technical (traditional big blue) customers. As for why PWB 4.0 never got released I believe that was there was a lag between what Summit (NJ) did as the 'UNIX Support Group' and what was being released as 'product' (NC). Remember this is all part of the post-Judge Green world @ AT&T and things were not really smooth. >>>my impression<< (and like you would love to know more), was that the release of PWB 3.0 was part of the pre-consent decree SW release rules, and by the time of System V, it was full steam ahead. PWB 4.0 was finished up during that funny period between the two. =E1=90=A7 =E1=90=A7 On Wed, Jun 9, 2021 at 3:38 PM Warner Losh wrote: > So I've seen a number of places that talk about Unix TS 3.0 -> 4.0 -> 5.0 > progression and how System III was released and System V was released and > System IV was internal only. > > What I've not seen is the "why" part of this. Why was it internal only? > > Warner > > --000000000000b55f6e05c45ac598 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
There was never a System IV and System III was purely m= arketing, look at the docs it's PWB 3.0 but the few AT&T marketing/= branding folks around didn't want to use the term 'Programmer' = when it tried to compete with IBM (which was Charlie Brown - AT&T CEO -= dream in those days).=C2=A0 As I understand it, the issue was that said=C2= =A0folks wanted to sell to commercial sites (and in particular the 3B20S), = and naming the software to drive with a term like 'programmer' woul= d be a turn-off for less technical (traditional big blue) customers.
<= div class=3D"gmail_default" style=3D"font-family:arial,helvetica,sans-serif= ">
As for why PWB 4.0 never got released I believe that was the= re was a lag between what Summit (NJ) did as the 'UNIX Support Group= 9; and what was being released as 'product' (NC).=C2=A0 Remember=C2= =A0this is all part of the post-Judge Green world @ AT&T and things wer= e not really smooth.=C2=A0 >>>my impression<< (and like you = would love to know more), was that the release of PWB 3.0 was part of the p= re-consent decree SW release rules, and by the time of System V, it was ful= l steam ahead.=C2=A0 PWB 4.0 was finished up during that funny period betwe= en the two.
=E1=90=A7
3D""=E1=90=A7
On Wed, = Jun 9, 2021 at 3:38 PM Warner Losh <imp@bsdimp.com> wrote:
So I've seen a number of= places that talk about Unix TS 3.0 -> 4.0 -> 5.0 progression and how= System III was released and System V was released and System IV was intern= al only.

What I've not seen is the "why" p= art of this. Why was it internal only?

Warner

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