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=0.1 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FROM,HTML_MESSAGE,MAILING_LIST_MULTI, MISSING_HEADERS autolearn=no autolearn_force=no version=3.4.4 Received: (qmail 30734 invoked from network); 1 May 2022 20:58:50 -0000 Received: from minnie.tuhs.org (45.79.103.53) by inbox.vuxu.org with ESMTPUTF8; 1 May 2022 20:58:50 -0000 Received: by minnie.tuhs.org (Postfix, from userid 112) id 952BC9D43F; Mon, 2 May 2022 06:58:47 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id 1FB369D432; Mon, 2 May 2022 06:55:22 +1000 (AEST) Authentication-Results: minnie.tuhs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="A+dFgIOq"; dkim-atps=neutral Received: by minnie.tuhs.org (Postfix, from userid 112) id 6D1C79D432; Mon, 2 May 2022 06:55:21 +1000 (AEST) Received: from mail-ej1-f51.google.com (mail-ej1-f51.google.com [209.85.218.51]) by minnie.tuhs.org (Postfix) with ESMTPS id C17D79D431 for ; Mon, 2 May 2022 06:55:18 +1000 (AEST) Received: by mail-ej1-f51.google.com with SMTP id bv19so24610803ejb.6 for ; Sun, 01 May 2022 13:55:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:cc; bh=QarBUAeuBR1XiEZMAsMiMAaFhDf2dfCmcjGdmU904rg=; b=A+dFgIOq2WCDXEZVQRV1v1hQlgo8SEhphJZjQUMDSgTQAmWm+bqNKvmRajsPNWUZrI zVfBrN5QZqq0czL/n4OXmpTI/0UIWvU4hZbLhzFeUpgErDdBcwVv8HBOz4vdGHu6X7Wq V7ubhmsOi7Ur0h85uTRbijxKpBM6ihMU1PbAgwkZBJjZV2JNXC3x0+ZWj1TdpTrPSf5M pCmgiq3HRR9Ko94SsS204WGNtoeUVmmM389Z6hERtNZ0wfmtUCnpou4Vy1AQBoUZeDEX BLevLsXF7Alc/MT961O1f9V3u9kYLPVOU3m7aD9RhIxHPE8+GbRMZzg0gOL6afhrQNco tlrw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:cc; bh=QarBUAeuBR1XiEZMAsMiMAaFhDf2dfCmcjGdmU904rg=; b=aa30UsxQHMHLKXc2ihaTM/09JlM8bZ1n4mlgv5khEwPU8plLwf7k1cRPKKbDlLvUAZ fenRsYXPHOASHFGSSlnbem484Ro4c29gCA/URS6UMm875fYeM05OHrgRczQcFu7iS9ex nSYRTiJlcHa7TGxxlpdENj0FyW7UxNcVy8dK0K8VyQdnByTBJgUA7ACzSIlGNNE/9yVa w3ydrKO91n5qpiIrAZpWuYDQ6aesHscAGEICswhEBdfLFIk97yNFyS7pZmdGddK5dnMo M7b+UNSf1BCrm6Mxe96AhmQHHZa8RbrtIyULPMD1a9nFpiS3+ns/LNZqQO3DeZyJQLmC D4xw== X-Gm-Message-State: AOAM532zcJBm4rx7/VKI1OWg7s59hbBzoZU1+S7WdjJ6qkl+ZPSm/81o 5zZH35mNrr8bob7P3HNeZBsuQ4dvV4TdiIwD/8zpILe9RZY= X-Google-Smtp-Source: ABdhPJytCvkm4IH23IB+l57JizYrpLq5Hme8INdiivGSrf/BwFhAN782pQhBe9HaR+ofrtUQq0vcye+kWNjAlJgYnVY= X-Received: by 2002:a17:907:2d28:b0:6f4:487e:8554 with SMTP id gs40-20020a1709072d2800b006f4487e8554mr2606898ejc.87.1651438516998; Sun, 01 May 2022 13:55:16 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Michael Huff Date: Sun, 1 May 2022 12:55:05 -0800 Message-ID: Cc: tuhs@minnie.tuhs.org Content-Type: multipart/alternative; boundary="0000000000002cb1a605ddf97e0e" Subject: Re: [TUHS] First Unix-like OSes not derived from AT&T code? 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: , Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" --0000000000002cb1a605ddf97e0e Content-Type: text/plain; charset="UTF-8" I realize this doesn't help but there's an old story about dmr being asked in the early or mid 80's to look at a clone which he checked for specific bugs he was aware of (but apparently no one else was). It turned out to be clean. I don't remember the details but that might be a good starting point? Apologies to Andrew who gets this mail twice (in his in his private mailbox, and on the list). I assumed gmail would send it to the list as I intended but it didn't, so I had to resend. Sorry! On Sun, May 1, 2022 at 1:34 AM Andrew Warkentin wrote: > What was the first "clone" functional Unix (i.e. an OS not derived > from genetic Unix code but highly compatible with genetic Unix)? Idris > is the earliest such OS of which I am aware (at least AFAIK it's not a > genetic Unix), but was it actually the first? Similarly, which was the > first "outer Unix-like" system (i.e. one with strong Unix influence > but significantly incompatible with functional Unix)? Off the top of > my head the earliest such system I can think of is Thoth (which > predates Idris by almost 2 years), but again I'm not sure if it was > actually the first. > --0000000000002cb1a605ddf97e0e Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
I realize this doesn't help but there's an old story about dmr bein= g=20 asked in the early or mid 80's to look at a clone which he checked for= =20 specific bugs he was aware of (but apparently no one else was). It=20 turned out to be clean. I don't remember the details but that might be = a good starting point?

Apologies to Andrew who= gets this mail twice (in his in his private mailbox, and on the list). I a= ssumed gmail would send it to the list as I intended but it didn't, so = I had to resend. Sorry!

On Sun, May 1, 2022 at 1:34 AM Andrew Wark= entin <andreww591@gmail.com&= gt; wrote:
What = was the first "clone" functional Unix (i.e. an OS not derived
from genetic Unix code but highly compatible with genetic Unix)? Idris
is the earliest such OS of which I am aware (at least AFAIK it's not a<= br> genetic Unix), but was it actually the first? Similarly, which was the
first "outer Unix-like" system (i.e. one with strong Unix influen= ce
but significantly incompatible with functional Unix)? Off the top of
my head the earliest such system I can think of is Thoth (which
predates Idris by almost 2 years), but again I'm not sure if it was
actually the first.
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