On Apr 6, 2021, at 9:30 PM, Ed Bradford <egbegb2@gmail.com> wrote:

What year was this, Charles?

Ed

On Tue, Apr 6, 2021 at 12:33 PM Charles H Sauer <sauer@technologists.com> wrote:

For much of my last few years at IBM, my uucp machine, ibmchs, was an AT
running Xenix, probably that version of Xenix.

On 4/6/2021 12:09 PM, Clem Cole wrote:
> Doug -- IIRC IBM private-labeled a Microsoft put out a version of Xenix,
> although I think it required an PC/AT (286)
> ᐧ
>
> On Tue, Apr 6, 2021 at 11:36 AM M Douglas McIlroy
> <m.douglas.mcilroy@dartmouth.edu
> <mailto:m.douglas.mcilroy@dartmouth.edu>> wrote:
>
>      > I wonder. IBM introduced the IBM PC in August of 1981.
>      > That was years after a non-memory managed version of
>      > Unix was created by Heinze Lycklama,  LSX. Is anyone
>      > on this list familiar with Bell Labs management thoughts
>      > on  selling IBM on LSX rather than "dos"?
>
>     IBM famously failed to buy the well-established CP/M in
>     1980. (CP/M had been introduced in 1974, before the
>     advent of the LSI-11 on which LSX ran.) By then IBM had
>     settled on Basic and Intel.  I do not believe they ever
>     considered Unix and DEC, nor that AT&T considered
>     selling to IBM. (AT&T had--fortunately--long since been
>     rebuffed in an attempt to sell to DEC.)
>
>     Doug
>

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