Not sure when started, probably 1986, continued through my departure in May 1989, and apparently the machine continued after that. > On Apr 6, 2021, at 9:30 PM, Ed Bradford wrote: > > What year was this, Charles? > > Ed > > > On Tue, Apr 6, 2021 at 12:33 PM Charles H Sauer > 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 > > > > >> 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 > > > > -- > voice: +1.512.784.7526 e-mail: sauer@technologists.com > fax: +1.512.346.5240 Web: https://technologists.com/sauer/ > Facebook/Google/Skype/Twitter : CharlesHSauer > > > -- > Advice is judged by results, not by intentions. > Cicero > -- voice: +1.512.784.7526 e-mail: sauer@technologists.com fax: +1.512.346.5240 web: https://technologists.com/sauer/ Facebook/Google/Skype/Twitter: CharlesHSauer