V7 runs on an 11/34. It's pretty tight, but it will fit on two RK05s as / and /usr. That was the first Unix machine I used at UW-Milw circa 1978. Mini-Unix (version of V6) ran on an 11 w/o an MMU On 10/30/16 11:09 PM, Ian S. King wrote: > I've run 6th Edition on an 11/34. >