[TUHS] one element of one of M factions of N companies [Re: Amdahl UTS, AIX/370, AIX/ESA

Charles H. Sauer sauer at technologists.com
Wed Nov 6 13:36:14 AEST 2019

Yes, but maybe the forced march at Athena was a year or so later, ’88 or ’89?? There was a preceding IBM internal “forced march” involving Bruce Walker from LCC, people from Palo Alto responsible for AOS (two co-authors of https://technologists.com/sauer/Convergence_of_AIX_and_4.3BSD.pdf <https://technologists.com/sauer/Convergence_of_AIX_and_4.3BSD.pdf> plus a couple of others) and AIX people. The work in that 1989 Uniforum paper was done in 1988, targeting AIX 3, as discussed a little more in https://notes.technologists.com/notes/2017/03/08/lets-start-at-the-very-beginning-801-romp-rtpc-aix-versions/ <https://notes.technologists.com/notes/2017/03/08/lets-start-at-the-very-beginning-801-romp-rtpc-aix-versions/>. 

When I left IBM at the beginning of May 1989, I was running AOS on my home RT and AIX 2.2 on my office machine.

> On Nov 5, 2019, at 6:06 PM, Theodore Y. Ts'o <tytso at mit.edu> wrote:
> On Tue, Nov 05, 2019 at 04:11:11PM -0600, Charles H Sauer wrote:
>> It has been illuminating, surprising, but not shocking, the last week of so,
>> to learn from from posts here, that AIX/370 was hard to get and mostly a
>> university offering. What we (AIX people associated with RT/PC and then
>> RS/6000) were told was that "everybody", especially Federal customers,
>> wanted what became known as TCF (the original Locus work) for 370 and PS/2.
>> I remember one Federal Systems Division person who seemed especially
>> effective as a Locus advocate. I'd always assumed AIX/370 and AIX PS/2
>> became more available than reported here, but I left IBM before they were
>> released.
>> Enumerating factions/companies, just regarding AIX & Unix, there were the
>> Federal Systems faction/company, the academic factions/company (primarily
>> two factions, BSD & TCF, in Palo Alto), the PS/2 faction/company, the
>> Rochester System/38->AS/400 faction/company, the Austin development lab,
>> several Research locations (primarily Yorktown), ...
> There was also AOS (Academic Operating System) which was basically
> repackaged BSD 4.x ported to the IBM/RT PC[1].  At MIT's Project
> Athena, most people massively preferred it to AIX, but we were force
> marched to AIX by 1987 or 1988.  :-/
> [1] https://en.wikipedia.org/wiki/IBM_RT_PC#Software
> 				- Ted

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