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b=g7HbBz4A4vitNlGEUiNX7XoFk6nQuTQJ2FjAYGX5efa0hZwUud0VwKiAEIpKKrTqI6 kjEpVm2MHyVPdwH2+5wAE1g96qnTjMi0Yz0yZAXCLtW0xnkP2nix3aIvJcnNusQ99nP aGi+VGUhAqK+457YxQWuVMEqCCcaGEAJDaD3hP9bGCEoV20WX7ZEtoxO8VrkdoF1z1K g7bhcoMxYJMJ8MAuMoGJ40JwAjU4UOdcw/A/RlNGNcHGArq8kXbQHYrZMFjkSvkm5sJ VijWhmhYIT379ZgiNu2DvCxhbMpSgfF+6o6F0V7b98mtY/EOqM29NhLR24RQlJ7y/Nu a4oBhXRA== Received: from caleb.INS.CWRU.Edu (EHLO caleb.INS.CWRU.Edu) ([129.22.8.211]) by mpv5-2015.case.edu (MOS 4.4.8-GA FastPath queued) with ESMTP id DAV93993 (AUTH cpr); Thu, 21 Nov 2019 11:16:54 -0500 (EST) To: Dan Cross , Brad Spencer References: From: Chet Ramey Message-ID: <397f861b-8684-0938-250c-b929e7710000@case.edu> Date: Thu, 21 Nov 2019 11:16:54 -0500 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:68.0) Gecko/20100101 Thunderbird/68.2.2 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-Junkmail-Status: score=8/90, host=mpv1-2015.case.edu X-Junkmail-PrAS-Raw: score=8/90, refid=2.7.2:2019.11.21.153017:17:8.317, ip=, rules=DKIM_SIGNATURE, __HAS_REPLYTO, __HAS_CC_HDR, __MULTIPLE_RCPTS_CC_X2, __CC_NAME, __CC_NAME_DIFF_FROM_ACC, __SUBJ_REPLY, __BOUNCE_CHALLENGE_SUBJ, __BOUNCE_NDR_SUBJ_EXEMPT, __TO_MALFORMED_2, __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_CC2, __REPLYTO_SAMEAS_FROM_DOMAIN, __DKIM_ALIGNS_1, __DKIM_ALIGNS_2, __ANY_URI, __URI_MAILTO, __URI_WITH_PATH, __URI_NO_WWW, __CP_URI_IN_BODY, __STOCK_PHRASE_6, __SUBJ_ALPHA_NEGATE, __COURIER_PHRASE, __URI_IN_BODY, __URI_NOT_IMG, __FORWARDED_MSG, __NO_HTML_TAG_RAW, BODY_SIZE_1900_1999, BODYTEXTP_SIZE_3000_LESS, __MIME_TEXT_P1, __MIME_TEXT_ONLY, __URI_NS, HTML_00_01, [TRUNCATED], so=2010-03-03 19:42:08, dmn=2016-08-03-0138 Subject: Re: [TUHS] AOS and IBM/RT [Re: Amdahl UTS, AIX/370, AIX/ESA 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 Cc: TUHS main list Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" On 11/21/19 9:19 AM, Dan Cross wrote: > On Thu, Nov 21, 2019 at 8:07 AM Brad Spencer > wrote: > > For a brief time a long time ago, I used a 4.3BSD based Mt. Xinu, MACH > microkernel, OS on the IBM-RT as an alternative to AOS.  Ran well > enough, but was disk and memory constrained.  We had source to much of > the system (or perhaps all of it, don't remember), but I seem to recall > that compiling it was a big pain.  Something like you had to use a > specific compiler (perhaps referred to as High C??  hc command perhaps) > to compile some of the source.  gcc had a backend for the ROMP > processor, but it had a hard time making usable binaries.  I think that > some variation of pcc was the usual compiler.  I remember it being > pretty stock 4.3BSD with NFS and minus YP/NIS.  We used them mostly as X > terminal workstations. > > > "High C" (or perhaps "Hi C"? It's been a while...) was the name of the > system compiler on AOS; I thought it was installed as `cc`. "High C", and it was installed as cc and hc. > Some RT enthusiasts kept those machines running well beyond their prime. > Why? I'm not entirely sure; as you say, they were memory and disk > constrained. They were also very slow. I had one running in my basement into the late 90s, with my own self- maintained kernel. I did a considerable portion of the bash-2.0 development on that box, and my wife wrote all of her doctoral thesis on it (using a troff macro package I wrote to do APA style formatting). It didn't make the cut when I moved from that house. Why did I have it? Because it was free, and it did what I needed. -- ``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/