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From: Lars Brinkhoff <lars@nocrew.org>
To: John Cowan <cowan@ccil.org>
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 (John Cowan's message of "Sun, 1 Aug 2021 19:36:53 -0400")
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Subject: Re: [TUHS] Systematic approach to command-line interfaces
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John Cowan wrote:
> Early versions of PDP-7 [Unix] used the same process model as Tenex

I understand both Tenex and Unix got the concept of "fork" from Project
Genie.