"'Some of these files were written by me directly,' Mr. Torvalds
said in an e-mail exchange, and so were not contributed to the
Linux project by third parties, including I.B.M., which is being
sued by SCO.
"The files listed in SCO's letter are written in the C
programming language. Citing two files, 'include/linux/ctype.h' and
'lib/ctype.h,' Mr. Torvalds said 'some trivial digging shows that
those files are actually there in the original 0.01 distribution of
Linux" in September 1991.
"'I wrote them,' Mr. Torvalds noted, 'and looking at the
original ones I'm a bit ashamed...'"
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