| From: William Porquet via talk <talk@gtalug.org> | Didn't Microsoft own Xenix eventually? MS owned Xenix (in a sense) from the start. Of course most of the code was "owned" by ATT. I have a NABU 1600 running close-to-original Xenix. It was a port of 7th Edition Unix, compiled by an ATT C compiler adjusted to generate small model 8086 code. The original target of the port was some ALTOS business computer. The next version of Xenix never made it to my box (the box maker ran into financial difficulties) but HCR (the subcontractor) had started. It was based around Microsoft's own C compiler an supported large model 8086 code (or at least some model better than small). At that time, Microsoft was the master. SCO (not exactly the Bad One, but that's another story) and HCR were the only sublicensees. So, when I bought my Xenix license, I bought it from SCO. Eventually Microsoft decided, for reasons unknown to me, that Xenix wasn't their future. They made SCO and HCR do all the actual work from then on. SCO eventually bought HCR. Xenix became its own world. It didn't track ATT's latest and greatest releases (eg. System V etc.). But they did produce a separate line that was on that stream. For some years, Xenix was the dominant low-end UNIX. I think that it must have been a good business. Certainly SCO was a powerhouse in the UNIX world. (I leave out lots of history. I worked for HCR *after* I bought the Xenix license. But not on Xenix.)