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Proving a negative is the hardest proof to achieve, it requires exhaustive checking of all possibilities. But the CodeSuite developer already knows, there's no source-code copying to be found. That was already settled in litigation; and also something an informed Intel processor programmer could tell you by eyeball in a matter of hours. Thus: a bogus claim and prize.
Finis Regards Herb Johnson
Thank you Herb. Doesn't the source of the original MS DOS exist that would allow a person to compare directly? And back then, copying code was a lot more rampant than it is today, correct? I am not sure why it's such a mystery whether code was illegally copied. AND...If you know PDP 8 OS/8, you also know that CP/M was in part modeled after it. July/Aug MicroSystems Journal has some background on the origins of MS DOS and Seattle Computer Products' DOS. Bill