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Xenix: The Microsoft Unix That Once Was | Unixmen
Microsoft Alumni on Twitter: "Before MS DOS, Microsoft released an operating system based on Unix. This was sold to hardware vendors, like Intel, for use on their computers. This OS was called
Trivia Tuesday: Xenix - Microsoft's forgotten OS - Neowin
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See figure 1. — A bit of XENIX history
Quick Reference Guide to Xenix Mail: Communicating on the Xenix/Unix Mutiuser Operating System: 9781556150388: Amazon.com: Books