When Microsoft entered an agreement with IBM to develop OS/2, it lost interest in promoting Xenix; in 1987 Microsoft transferred ownership of Xenix to SCO in an agreement that left Microsoft owning 25% of SCO, which continued to market it.
It lost interest in. It was promoting Xenix. Microsoft entered an agreement with IBM. This was to develop OS/2. Microsoft transferred ownership of Xenix to SCO in an agreement. This was in 1987. This agreement left Microsoft. This Microsoft was owning 25% of SCO. SCO continued to market it.