On Fri, 5 Feb 2016 11:53:00 -0600, John McKown wrote: >On Fri, Feb 5, 2016 at 11:36 AM, Tom Marchant < >[email protected]> wrote: > >> On Fri, 5 Feb 2016 06:43:59 -0600, Bill Woodger wrote: >> >> >the original "IBM PC-type" (although pre-dating the IBM PC) operating >> system from Microsoft. >> >> There was no operating system from Microsoft that predated the IBM PC. >> > >According to >https://en.wikipedia.org/wiki/Timeline_of_DOS_operating_systems PC-DOS 1.0 >was released in 1981 but in 1979 - MS made a licensed version of Xenix for >the 8086 >ref: >http://www.softpanorama.org/People/Torvalds/Finland_period/xenix_microsoft_shortlived_love_affair_with_unix.shtml
I stand corrected. But Xenix was not a "PC-type operating system", but a port of Unix. -- Tom Marchant ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
