[rohrpost] SCO vs. GPL
mkazz at t-online.de
Mon Sep 1 21:20:53 CEST 2003
nur kurz zu SCO: Weiß eigentlich wo Micro$$$ ExUnix namens Xenix hin
ist? Da lässt sich schon ein Link knüpfen: s. Wikipedia Stichw. Xenix.
> From Wikipedia, the free encyclopedia.
> Xenix was Microsoft's version of Unix for microprocessors. Microsoft called it Xenix because it could not license the UNIX name.
> Microsoft purchased a license for Unix System 7 from AT&T in 1979, and announced on August 25, 1980 that it would make it available for the 16-bit microcomputer market. Xenix was not sold directly to end users, rather than Microsoft licensing it to computer manufacturers who would then port it to their systems. As a result, Altos did not ship a version for their computers until early in 1982, Tandy Corporation shipped one for their 68000-based systems in January 1983, and Santa Cruz Operation (or SCO) released their port to the Intel 8086 processor in September 1983.
> Xenix varied from its System 7 origins by incoporating elements from BSD, and soon possessed the most widely installed base of any UNIX flavor due to the popularity of the inexpensive x86 processor, although the port created for Tandy computers proved to be more robust.
> When Microsoft entered into an agreement with IBM to develop OS/2, it lost interest in promoting Xenix. Microsoft transfered ownership of Xenix to SCO in an agreement that left Microsoft owning 25% of SCO. However, Microsoft continued to use Xenix internally, submitting a patch to support functionality in UNIX to AT&T in 1987, which trickled down to the code base of both Xenix and SCO UNIX. Microsoft is said to have used Xenix on VAX minicomputers extensively within their company as late as 1992.
> SCO released a version of Xenix for the 286 Intel processor in 1985, and following their port of Xenix to the 386 processor, a 32-bit chip, renamed it SCO UNIX.
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