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=-1.1 required=5.0 tests=DKIM_INVALID,DKIM_SIGNED, MAILING_LIST_MULTI,NICE_REPLY_A,RCVD_IN_DNSWL_NONE autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 31773 invoked from network); 21 Jun 2021 14:21:30 -0000 Received: from minnie.tuhs.org (45.79.103.53) by inbox.vuxu.org with ESMTPUTF8; 21 Jun 2021 14:21:30 -0000 Received: by minnie.tuhs.org (Postfix, from userid 112) id 759FF9C628; Tue, 22 Jun 2021 00:21:26 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id 1AE489C5FE; Tue, 22 Jun 2021 00:20:57 +1000 (AEST) Authentication-Results: minnie.tuhs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=case.edu header.i=@case.edu header.b="ynqHbu+6"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=case.edu header.i=@case.edu header.b="UJmYcNYM"; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=case.edu header.i=@case.edu header.b="QxiBCwnM"; dkim-atps=neutral Received: by minnie.tuhs.org (Postfix, from userid 112) id 0329F9C5FE; Tue, 22 Jun 2021 00:20:55 +1000 (AEST) Received: from mpv1-2015.case.edu (mpv1-2015.CWRU.Edu [129.22.103.226]) by minnie.tuhs.org (Postfix) with ESMTPS id 4CBA69C5F8 for ; Tue, 22 Jun 2021 00:20:52 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=case.edu; s=smtp-primary; t=1624285252; bh=UXDLIEw0483YAb4UdqOxX5iXrggFPbyG5HPKySGYKUg=; h=Reply-To:Cc:Subject:To:References:From:Message-ID:Date: MIME-Version:In-Reply-To:Content-Type:Content-Transfer-Encoding; b=ynqHbu+6pc2bZRmLsBjg3+g3ZUkiuiOBuPfrXbvk0ouzsYFo8Iu92CMvvHjqvnbnd9 0/ZxKdgvL2ftl94cshrtVaaJzBGdK9wQTKWOuk1H1ScoqQHQsEpWTnvq/+ebiMo3YeT Is++3887XvhBKOi6DwIvEjHVDfi8CZBMUv5oN/lVhambgKoV1r2QXQhCzU4gIdhaWyR sCQHIxsEUFgnDxI47xKES3z6w6T+nYCsKjA1ggB/4nqosI+ylupSyDpHNsNjAFRhKQW pfd3h3CUVY5ST16qklXCbuk1BAeBP9skyW1O89f2yYdnnYCK3J/VddyvswlDp7CbYzB umyiKW6A== Received: from mpv5-2015.CWRU.Edu (EHLO mpv5-2015.case.edu) ([129.22.103.234]) by mpv1-2015.case.edu (MOS 4.4.8-GA FastPath queued) with ESMTP id BXO07549; Mon, 21 Jun 2021 10:20:51 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=case.edu; s=smtp-primary; t=1624285251; bh=UXDLIEw0483YAb4UdqOxX5iXrggFPbyG5HPKySGYKUg=; h=Reply-To:Cc:Subject:To:References:From:Message-ID:Date: MIME-Version:In-Reply-To:Content-Type:Content-Transfer-Encoding; b=UJmYcNYMtgpQHwGJu7KgIqBksztbbbk5Ep1ZvC4jVqmmnalQ3sZjT59wrinEO/F6jA wkOHVrvMWo15NKx/u/S6DLFMhcsD3TQxwA8kW9DyHpsdIBuGfSGKYe+wT7JtaSzkEfg WFJAxt80+34lMDk+792UWCGz/WvMPEa76cq2G9MGYfyyz4DdTC81BhEHsRcOlOH33ij blALKMbRo88TUbhTQi+AkWu/N/7HwqgAZ7bhFjxjpOb1rziCErcx0TEkjIrjznjKz/H fOeChiLKW/HNlU/AU1MqyfQyfOdgAFDg/fNq5AsIKLanPk3cbPkX2Cx+ZkpWNNonE7v 7c/Bu9rw== Received: from mail-qt1-f200.google.com (EHLO mail-qt1-f200.google.com) ([209.85.160.200]) by mpv5-2015.case.edu (MOS 4.4.8-GA FastPath queued) with ESMTP id GDV25130; Mon, 21 Jun 2021 10:20:50 -0400 (EDT) Received: by mail-qt1-f200.google.com with SMTP id 62-20020aed30440000b029024cabef375cso15518602qte.17 for ; Mon, 21 Jun 2021 07:20:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=case.edu; s=g-case; h=reply-to:cc:subject:to:references:from:organization:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=7sNuD/GY7PGnHfcF61EPy6TMDpCjjwN652gbRfONqcY=; b=QxiBCwnMIKDFdJG4kna4Lcm8mIX/oT00G8axpcQyvkTJ89eT+e57FrkqSnLziQvMne jdo5lSKZIrMbvaIQPNDWRCD2hd72XwmeZSt9kRZ4kC1bxSN0l+MXNVFpoKZkRNdJ3OXC pWtfA3IuOSJhMtJ++GVj6CY7C6y1DDzcgn5xJaKdEf7w4ilDr99wHg4bEIQ38KY4XqA1 MKCKgRNbP1zYpsDhqQveNeergtpw//zBaWlkA4cwSaxxTHY97h8lQRHF/40MAqaQO7q+ CZrtf2tjtl9j91m5IdrgKXQIzG5ylZGKepcCtcQKXGwRjsivwq36ncDDbqnp4h4TDJYZ b8ng== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:reply-to:cc:subject:to:references:from :organization:message-id:date:user-agent:mime-version:in-reply-to :content-language:content-transfer-encoding; bh=7sNuD/GY7PGnHfcF61EPy6TMDpCjjwN652gbRfONqcY=; b=dq9IzWwYnt6CRldvyY+6eKJLUjeQCZ7wo/GoQis7NmlLatjDT3TUtidOHizfVHcPKx s5/oY9Cul5k9huDgpqdGmFYvsJ6Oc3mchqY563xkSBwIeTDbJzGUJUVRYJqqB82EUKS7 JqNOdMt8g9G/Hnk0mBW5JPvdbcqm2RIhSfIlgKg/YiVG+Tz7932vxXngQFX/DHYYS6qN zVeWgetwqPJi0vwZWb2wx+LfAKoJpe9tYd83LJZXJsjDTfm+P1NGIq6WufN6IqAywvbe /c5QTPmf6Wv2i9hdc3yBUA5oAF4ekSvTCQANbgBhrgPG8SQeRw2Yn2ecEpRoK0rMwcIq h2dA== X-Gm-Message-State: AOAM532L1lOqxSv+xr7+9FwnPSUz5mzEuF3Wr4VfCwGvhO793NN28lQP NY4NrrJbWevoJqx07r5I1pXUm6NiNv9T3kjKBAogu8xDkZ/DT2G5qKnQfjAh4qE8SeLaAkt4Ce7 sB28xGOXYkPLkQaaf X-Received: by 2002:a0c:e802:: with SMTP id y2mr20093633qvn.2.1624285250247; Mon, 21 Jun 2021 07:20:50 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxALM/0VEuKM7ug0MsGJzUh1DNN66bDDCereB3pnS1wLQt4xPuLQHDaCeJq+amom9mFGf4DXA== X-Received: by 2002:a0c:e802:: with SMTP id y2mr20093613qvn.2.1624285250038; Mon, 21 Jun 2021 07:20:50 -0700 (PDT) Received: from jenna.local (2603-6010-dc07-54e3-75cf-b275-b181-6d39.res6.spectrum.com. [2603:6010:dc07:54e3:75cf:b275:b181:6d39]) by smtp.gmail.com with ESMTPSA id i16sm3018522qki.121.2021.06.21.07.20.49 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 21 Jun 2021 07:20:49 -0700 (PDT) To: Paul Ruizendaal , TUHS main list References: From: Chet Ramey Organization: ITS, Case Western Reserve University Message-ID: <52bf4730-f2a5-3dc4-f61f-eda14e13e251@case.edu> Date: Mon, 21 Jun 2021 10:20:48 -0400 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit X-Mirapoint-IP-Reputation: reputation=Good-1, source=Queried, refid=tid=0001.0A742F92.60D092FC.0025, actions=tag X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A742F1D.60D0A043.0008,ss=1,re=0.000,fgs=0, ip=0.0.0.0, so=2016-11-06 16:00:04, dmn=2011-05-27 18:58:46 X-Mirapoint-Loop-Id: 3d79af597025519f62ad93a55ed8c0f4 X-Mirapoint-IP-Reputation: reputation=good-1, source=Fixed, refid=n/a, actions=tag X-Junkmail-Status: score=8/80, host=mpv1-2015.case.edu X-Junkmail-PrAS-Raw: score=8/80, refid=2.7.2:2021.6.21.133915:17:8.129, ip=, rules=__YOUTUBE_RCVD, DKIM_SIGNATURE, __X_GOOGLE_DKIM_SIGNATURE, __X_GM_MESSAGE_STATE, __X_GOOGLE_SMTP_SOURCE, __HAS_REPLYTO, __HAS_CC_HDR, __SUBJ_REPLY, __BOUNCE_CHALLENGE_SUBJ, __BOUNCE_NDR_SUBJ_EXEMPT, __SUBJ_ALPHA_END, __TO_MALFORMED_2, __MULTIPLE_RCPTS_TO_X2, __TO_NAME, __TO_NAME_DIFF_FROM_ACC, __HAS_REFERENCES, __REFERENCES, __HAS_FROM, FROM_EDU_TLD, __HAS_MSGID, __SANE_MSGID, DATE_TZ_NA, __USER_AGENT, __MOZILLA_USER_AGENT, __MIME_VERSION, __IN_REP_TO, __CT, __CT_TEXT_PLAIN, __CTE, __REPLYTO_SAMEAS_FROM_ADDY, __REPLYTO_SAMEAS_FROM_ACC, __FROM_DOMAIN_IN_ANY_CC1, __FROM_DOMAIN_IN_ANY_CC2, __RCPT_DOMAIN_NOT_TO, __REPLYTO_SAMEAS_FROM_DOMAIN, __DKIM_ALIGNS_1, __DKIM_ALIGNS_2, __ANY_URI, __URI_MAILTO, __HTTPS_URI, __URI_WITH_PATH, __URI_ENDS_IN_SLASH, __CP_URI_IN_BODY, __SUBJ_ALPHA_NEGATE, SUPERLONG_LINE, __MULTIPLE_URI_TEXT, __URI_IN_BODY, __URI_NOT_IMG, [TRUNCATED], so=2010-03-03 19:42:08, dmn=2016-08-03-0138 Subject: Re: [TUHS] demand paged 32V / Contacting Kelleman and/or Buroff 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: , Reply-To: chet.ramey@case.edu Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" On 6/20/21 6:05 PM, Paul Ruizendaal via TUHS wrote: > I’ve read the MSc theses of Leffler and Shannon with interest (https://www.tuhs.org/Archive/Documentation/Theses/). The thesis of Shannon has an interesting discussion of a demand paged version of his Harris/6 Unix (Chapter 5). It is based on the Tenex ideas, just as JFR mentioned for his version. The thesis of Leffler contains a gant chart that shows that the demand paged version was written in the first months of 1980 -- concurrently with or slightly after the 32V version. Sam and Bill did their work at CWRU, which was getting to be a DEC shop at the time, at least in the central computing center. When I got there a few years later, we were running DEC-20s with TOPS-20, and we were doing some kernel and EXEC customizations (we == Case, I was not involved). It's likely that both of them, and Rob Gingell, were influenced by exposure to Tenex and TOPS-20. Rob would know more. Chet -- ``The lyf so short, the craft so long to lerne.'' - Chaucer ``Ars longa, vita brevis'' - Hippocrates Chet Ramey, UTech, CWRU chet@case.edu http://tiswww.cwru.edu/~chet/