The second Unix patent #unix #history
On The Unix Heritage Society mailing list Warner Losh shared a handwritten note by John Lions:

Douglass McIllroy follows up describing typo as one of the most creative Unix programs to come out of Bell Labs.
On The Unix Heritage Society mailing list Warner Losh shared a handwritten note by John Lions:

Douglass McIllroy follows up describing typo as one of the most creative Unix programs to come out of Bell Labs.
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