Who invented DOS?
evan947 at yahoo.com
Fri Mar 4 11:04:30 CST 2005
I recall reading once that Tim said something like "if I knew DOS would be used
for so long, I would have made it much better."
--- willisjo at zianet.com wrote:
> vrs writes:
> >> At 09:26 AM 3/4/2005, Jim Leonard wrote:
> >> >You could make a case that CP/M was modeled after Unix, but we won't go
> > there :-)
> >> Never! RT-11, maybe.
> > I always thought both were modeled after OS/8 :-). (Which was, in turn, a
> > souped up DMS.)
> > Vince
> It was originally written by Tim Patterson of Seattle Computer Products, as
> 86-QDOS (Quick and Dirty OS). The initial purchase by Microsoft was for
> $15,000 IIRC, but full rights to the OS were purchased later for a larger
> sum. Patterson was originally planning on including multitasking, but did
> not due to time constraints. The OS gained tree-structured directories and
> I/O redirection/pipes (< > >> |) in 2.0 (inspired by UNIX), and a major
> rewrite for 5.0 (I believe this rewrite was largely the work of Charles
> Simonyi, but could not be sure).
> Tim Patterson was hired by Microsoft for a period of time.
> John P. Willis
> Coherent Logic Development
Evan's personal homepage: www.snarc.net
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