DOS code in CP/M? Revisited...

Rich Alderson RichA at
Thu Jul 14 12:57:55 CDT 2016

From: Fred Cisin
Sent: Thursday, July 14, 2016 9:47 AM

> On Thu, 14 Jul 2016, Kip Koon wrote:

>> So I went on a reading spree and found out that CP/M was written by Gary
>> Kildall well before MS-DOS was supposedly by Bill Gates!  It's a long
>> history that I obviously don't need to go into here since there is so much
>> about it on the Internet.

> No, but you should learn it.
> LOTS more details are readily available about every portion of this 
> over-simplified shortened history.


> Bill Gates went down the street to SCP, and negotiated a deal 
> to be able to sell licenses to Q-DOS/86-DOS/SB-86 to an unnamed client.

Not Bill Gates, Paul Allen, as detailed in his autobiography _Idea Man_.

Just for the record.


Rich Alderson
Vintage Computing Sr. Systems Engineer
Living Computer Museum
2245 1st Avenue S
Seattle, WA 98134

mailto:RichA at

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