From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-1.1 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FROM,HTML_MESSAGE,MAILING_LIST_MULTI, RCVD_IN_DNSWL_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.2 Received: (qmail 19583 invoked from network); 6 Apr 2020 22:49:39 -0000 Received-SPF: pass (minnie.tuhs.org: domain of minnie.tuhs.org designates 45.79.103.53 as permitted sender) receiver=inbox.vuxu.org; client-ip=45.79.103.53 envelope-from= Received: from minnie.tuhs.org (45.79.103.53) by inbox.vuxu.org with UTF8ESMTPZ; 6 Apr 2020 22:49:39 -0000 Received: by minnie.tuhs.org (Postfix, from userid 112) id D335D944AF; Tue, 7 Apr 2020 08:49:36 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id 35A3B94485; Tue, 7 Apr 2020 08:49:05 +1000 (AEST) Authentication-Results: minnie.tuhs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="Ywl2Dz8H"; dkim-atps=neutral Received: by minnie.tuhs.org (Postfix, from userid 112) id E17EF94485; Tue, 7 Apr 2020 08:49:02 +1000 (AEST) Received: from mail-oi1-f179.google.com (mail-oi1-f179.google.com [209.85.167.179]) by minnie.tuhs.org (Postfix) with ESMTPS id D8DE693D06; Tue, 7 Apr 2020 08:49:01 +1000 (AEST) Received: by mail-oi1-f179.google.com with SMTP id t25so14661630oij.2; Mon, 06 Apr 2020 15:49:01 -0700 (PDT) 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=NLjxkfTR4gIiaZWfsq9Gi3c71igGaQrhM87g5P2rr4M=; b=Ywl2Dz8Hu81A3CbaN1k2ofzYFBstSFDuE7q0bR6sUbDOtwnWdnkx17iYU3j4D5xrnd trhxSBTlGP9V/apDh1h3I5vlj2UXVlVsPxfMuGTNXi/w5m93EVeDp0/91NkODtlf+x2H +sbtOfCo+XM71gczA4O3nAS9yVOMkvpbh1fQzwvo1MHc2NGfoDlAPAgtDKSbt+pyOH9d 4zN01DlVrnKZoKGs9kWnbUBwHkovzlGpzbQaW3wuz2HsSbnevSjOQEQ/3sF0GHgO2oG4 Nh/T3FEP9yYnZQUBuccfA9KDghH9AjbLg2HvOSbeyMNOrp8Woi/DrRtOXL8E9FppclMR P/AQ== 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=NLjxkfTR4gIiaZWfsq9Gi3c71igGaQrhM87g5P2rr4M=; b=qOoJZAZ5zBSYCcb8++ITevry8N68gZfM6hoQv8/EI9hptILULJOLZGGSWNaJ28PeYH 5prY1bh1XhsBQTiEg7M0SQPCFNIyTM3fCdi5m1o1eAF1S2uwCXoSch2JxKj0ESPF57in BoG+Yq91ENOjn3jM7AVd6XU+R5sF/bEF9WIudT0j3UfZGrL9ZPXT0RgGNuedRSRmJaPg zbioV3/GVCRdIoWtkFIJ76YCoGZZN8gsGbL0UuCrVt8Vm93/qOObts39xzu1+OGxNtly TasdZRVPTLUYZlrZ2ylMkPh3rouPv04hRko/IwkPgsQaRcUs8H+UHUm4t1A6+q9Yy+Rj 9IHA== X-Gm-Message-State: AGi0PuYagfy0ECG1lXYS7dUqTOFP0SWHnDcQg2LoDAJ8StWsLCDoUui+ mjRAvi5MFxPbNBdMv41+J/5f0dbpXqe0K6KJHDC/HmJI X-Google-Smtp-Source: APiQypLrOuq4gMHDHHPcE8ZdP9kzl21vbx8QVXb6iQQg0hp35d5tXAyzbVJxaRhCAbP/gpaLJa7Da6mus5Yd8/PC2jI= X-Received: by 2002:aca:4fcc:: with SMTP id d195mr1314622oib.99.1586213341057; Mon, 06 Apr 2020 15:49:01 -0700 (PDT) MIME-Version: 1.0 References: <20200406221138.GA10092@minnie.tuhs.org> In-Reply-To: <20200406221138.GA10092@minnie.tuhs.org> From: Henry Bent Date: Mon, 6 Apr 2020 18:48:47 -0400 Message-ID: To: Warren Toomey Content-Type: multipart/alternative; boundary="000000000000bb56ca05a2a7120d" Subject: Re: [TUHS] Software Archaeology Challenge? 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" --000000000000bb56ca05a2a7120d Content-Type: text/plain; charset="UTF-8" On Mon, 6 Apr 2020 at 18:12, Warren Toomey wrote: > Anybody feel up for a bit of an archaeology challenge? Warner Losh is > currently poking through a bunch of bits but not having much luck decoding > them correctly. I've put a copy here: > https://minnie.tuhs.org/Y5/Challenge/ > > If you can help, I'd suggest report major findings here, and we can use > the #TUHS channel in the ClassicCmp Discord server for chat. > > Here's what Warner has found out so far: > > It's quite interesting, but in a > format I've so far not been able to decode more than with emacs. > However, there's all kinds of wonderful here. This looks like it was a > dump from a VMS (or maybe similar DEC OS) ANSI tape. There's 4 datasets > of 2.5MB each. The first one appears to be a V5 tree of some sort (at > least it matches the V5 sources in places I can spot check in > Dennis_v5. The second block looks v6ish or maybe pwbish, but no kernel > sources. I don't think it's a continuation of the v5 stuff from the > first dataset. The third dataset is all binaries, as far as I can tell > so far, but things like mv and passwd. The 4th dataset appears to be > the dump of a VENIX-11 system, complete with source. > > The 3rd dataset appears to be a Venix system. At least it has venix and > venix.old in what looks like the root directory. Still trying to sort > out extracting files from these datasets. v7fs hates them, but I'm > almost positive that's what they are. > Looking at the first file as well as the later 512 byte files, this appears to have been made on an RT-11 system. There are entries for HDR1ZEROED.ZZZ which shows up in the RT-11 5.07 sources: http://www.kpxx.ru/DEC/PDP-11/Software/OS/RT-11/05.07/05.07.abl/Unpacked/DUPZMC.MAC . Unfortunately I have absolutely no experience with magtapes under RT-11 so I'm not currently sure how to proceed. -Henry --000000000000bb56ca05a2a7120d Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
On Mon, 6 Apr 2020 at 18:12, Warren Toome= y <wkt@tuhs.org> wrote:
=
https://minnie.tuhs.o= rg/Y5/Challenge/

If you can help, I'd suggest report major findings here, and we can use=
the #TUHS channel in the ClassicCmp Discord server for chat.

Here's what Warner has found out so far:

=C2=A0 =C2=A0It's quite interesting, but in a=C2=A0
=C2=A0 =C2=A0format I've so far not been able to decode more than with = emacs.
=C2=A0 =C2=A0However, there's all kinds of wonderful here. This looks l= ike it was a
=C2=A0 =C2=A0dump from a VMS (or maybe similar DEC OS) ANSI tape. There'= ;s 4 datasets
=C2=A0 =C2=A0of 2.5MB each.=C2=A0 The first one appears to be a V5 tree of = some sort (at
=C2=A0 =C2=A0least it matches the V5 sources in places I can spot check in<= br> =C2=A0 =C2=A0Dennis_v5. The second block looks v6ish or maybe pwbish, but n= o kernel
=C2=A0 =C2=A0sources. I don't think it's a continuation of the v5 s= tuff from the
=C2=A0 =C2=A0first dataset. The third dataset is all binaries, as far as I = can tell
=C2=A0 =C2=A0so far, but things like mv and passwd. The 4th dataset appears= to be
=C2=A0 =C2=A0the dump of a VENIX-11 system, complete with source.

=C2=A0 =C2=A0The 3rd dataset appears to be a Venix system. At least it has = venix and
=C2=A0 =C2=A0venix.old in what looks like the root directory. Still trying = to sort
=C2=A0 =C2=A0out extracting files from these datasets. v7fs hates them, but= I'm
=C2=A0 =C2=A0almost positive that's what they are.

Looking at the first file as well as the later 512 byte fil= es, this appears to have been made on an RT-11 system.=C2=A0 There are entr= ies for HDR1ZEROED.ZZZ which shows up in the RT-11 5.07 sources: http://www.kpxx.ru/DEC/PDP-11/Software/OS/RT-11/05.07/05.07.abl/= Unpacked/DUPZMC.MAC .=C2=A0 Unfortunately I have absolutely no experien= ce with magtapes under RT-11 so I'm not currently sure how to proceed.<= /div>

-Henry
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