You're making stuff up. MSFT never bought SCO.
https://en.wikipedia.org/wiki/List_of_mergers_and_acquisitio...
https://en.wikipedia.org/wiki/List_of_mergers_and_acquisitio...
By the mid-1980s Microsoft had gotten out of the Unix business, except for its ownership stake in SCO.[20]
You can buy 100% of shares and take it private, but that's overkill for what Microsoft wanted.
https://web.archive.org/web/20061105100939/http://www.inform...
They were a partner with Microsoft maintaining a version of Xenix
They later filed for bankruptcy in 2007.
SCO was founded in 1979 by Larry Michels and his son Doug Michels.