CP/M 86 was available but IBM couldn't get a license. They hired Microsoft to write DOS and they bought QDOS to get started.
On Fri, Feb 5, 2016 at 11:56 AM, Bill Woodger <bill.wood...@gmail.com> wrote: > Well, two things: Yes there were, and with several names, and I'd now only > say possibly MS-DOS. Although MS-DOS possibly/probably wouldn't have existed > without IBM; the much later appearance of the IBM PC in the UK than in the US > also influenced my typing, as there were any number of MS-DOS-based machines > available before the IBM PC was on sale in the UK (there were even "grey > market" imports to satisfy demand in the UK). It is the latter that made me > type that, rather than any detailed knowledge on exactly what appeared first. > > > On Friday, 5 February 2016 17:36:58 UTC, Tom Marchant 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. >> >> -- >> Tom Marchant >> > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN -- Mike A Schwab, Springfield IL USA Where do Forest Rangers go to get away from it all? ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
