Xenix variant information

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Introduction
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INTRODUCTION

In the late 1970's Microsoft licensed Unix source code from AT&T, which at the time was not licensing the name Unix. Therefore Microsoft created the name Xenix. Microsoft did not sell Xenix to end-users but instead licensed the software to software OEMs such as Intel, Tandy, Altos and SCO who then provided a finished version of their own Xenix to the end-users or other customers.

SCO introduced its first version of Xenix named SCO Xenix System V for the Intel 8086 and 8088 in 1983. Today SCO Xenix is one of the more commonly used and found versions of Xenix.