[TUHS] Bitsavers' RT/PC, AIX, AOS, etc. recent additions

Kevin Bowling kevin.bowling at kev009.com
Thu Feb 20 11:24:01 AEST 2020

Neat!  Do you think we will ever be able to recover those bits or is it too
obscure and unobtanium like the rs6000 Mach port?

As an aside I’ve near complete technical references for both of these
platforms (RT, rs6000) and they were quite comprehensive for doing OS
ports. I wondered why there was no free open source OS for them but I now
suspect people just had fear of IBM, some real and some imagined.

On Wed, Feb 19, 2020 at 6:17 PM Chris Hanson <cmhanson at eschatologist.net>

> On Feb 17, 2020, at 8:53 PM, Kevin Bowling <kevin.bowling at kev009.com>
> wrote:
> >
> > Can you clarify what is Mach in this archive if I have a gap in my
> knowledge? I didn’t know the VRM had any direct relationship to Mach
> It didn’t, but CMU used Mach on the RT, including in public clusters[1].
> CMU also deployed MacMach on the Macintosh II in public clusters, which
> ran System 6 side-by-side with BSD 4.3.
>   -- Chris
> [1] A “public [computer] cluster” was CMU terminology for computer labs
> accessible to the entire CMU community instead of just being accessible to
> one department or program.
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