I mean yeah, but it’s not like they just copied it from him.
> Microsoft, which needed an operating system for the IBM Personal Computer,[8][9] hired Tim Paterson in May 1981 and bought 86-DOS 1.10 for US$75,000 in July of the same year. Microsoft kept the version number, but renamed it MS-DOS.
> Microsoft, which needed an operating system for the IBM Personal Computer,[8][9] hired Tim Paterson in May 1981 and bought 86-DOS 1.10 for US$75,000 in July of the same year. Microsoft kept the version number, but renamed it MS-DOS.