On Sun, Mar 22, 2020 at 09:58:29AM -0600, Warner Losh wrote: > "from a working C compiler for 2nd Edition UNIX." > Does anybody know for sure, or can provide more insight into the last1120c.tar.g > z file to help disambiguate? Yes, all the details are on Dennis' web page: https://www.bell-labs.com/usr/dmr/www/primevalC.html Cheers! Warren