On Mon, Nov 28, 2022 at 7:15 AM Clem Cole <clemc@ccc.com> wrote:

Paul, the other thing I should point out -- ghg's work was widely distributed amount the BSD licenses. I somewhat wonder why the Naval Post Grad school's work was not. My guess is that USENIX was still in its formative stages when the latter did their work, whereas, by the time of George's hack, BSD/Vaxen was being used for teaching as University timesharing systems so his 'upgrade' was a cheap solution.
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Also the Naval Post Grad work was on a fairly specialized MP pdp-11/50 system that wasn't super easy to build... plus the paper was declassified, but it's not clear that the code ever was, or even submitted for declassification. It was super early still in the unix sharing culture evolution and wide-spread distribution didn't catch on. Plus, it was for a funky odd custom thing, which limited people wanting to ask for it.

Warner