filfre does have a history of the IBM PC that tells the story of how it came to be and the dealings between IBM and MicroSoft and (with Kildall of Digital). It

filfre does have a history of the IBM PC that tells the story of how it came to be and the dealings between IBM and MicroSoft and (with Kildall of Digital). It is worth a read. https://www.filfre.net/2012/05/the-ibm-pc-part-1/ https://www.filfre.net/2012/05/the-ibm-pc-part-1/