Eric Smith wrote:
<snip>
> Q-DOS, 86-DOS, and MS-DOS 1.x were inspired by various operating systems
> on DEC computers, such as TOPS-10, OS-8, and RT-11.  MS-DOS 1.x had essentiall
y
> no similarity to Unix whatsoever.

Bill Gates purchased CPM-86 from Seattle Software for $50K ... and
this became the original MS-DOS 1.0.  CPM-86 was just a port of
Gary Kildahl's CP/M 2.2 from the 8080 to the 8086.

 - - - Nick - - -