theodp writes "Might be more interesting as a Who's-My-Baby's-Daddy? segment on Maury, but a Court has been asked to decide the parentage of MS-DOS. Tim Paterson, whose operating system 86-DOS (aka QDOS) was sold to Microsoft in 1980, is suing author Harold Evans and Time Warner for defamation. In his book They Made America, Evans devoted a chapter to the late, great Gary Kildall, founder of Digital Research, describing Paterson's software as a 'rip-off' and 'a slapdash clone' of Kildall's CP/M."
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