Watch Triumph of the Nerds Season 1 Episode 1 Online
Tim Paterson's development of 86-DOS largely from duplicating Gary Kildall's CP/M operating system. Microsoft purchased all rights to 86-DOS from Paterson's employer SCP for US$50,000 shortly before the release of the IBM PC. Microsoft's resulting MS-DOS was an operating system that could run on any 8086-family computer.