On Nov 4, 2018, at 5:48 AM, Lars Brinkhoff <lars(a)nocrew.org> wrote: Hello, According to this: https://lm-3.github.io/amber.html#The-Unix-Implementation there were Chaosnet for PDP-11 Unix V7, and VAX Berkeley Unix. Does anyone have a copy of this? Thes repository: https://github.com/LM-3/chaos may or may not have something of that left, but has been hacked for Linux.