[TUHS] PC Unix (had been How to Kill a Technical Conference

Charles H Sauer sauer at technologists.com
Wed Apr 7 03:32:35 AEST 2021


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)
>> 
> On Tue, Apr 6, 2021 at 11:36 AM M Douglas McIlroy 
> <m.douglas.mcilroy at dartmouth.edu 
> <mailto:m.douglas.mcilroy at 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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