True, DOS was purchased as Q-DOS from Seattle Computer Products, and was adapted to become MS-DOS which was also a copy of CP/M, (http://www.bernd-leitenberger.

True, DOS was purchased as Q-DOS from Seattle Computer Products, and was adapted to become MS-DOS which was also a copy of CP/M, (http://www.bernd-leitenberger.de/qdos.shtml http://www.bernd-leitenberger.de/qdos.shtml). As far as BASIC goes it was designed in 64 at Dartmought College (http://www.jake.dk/programmering/qbasic/dk/historien.html http://www.jake.dk/programmering/qbasic/dk/historien.html). I think Gates did develop a dialect of it though...