This one is from 1979, it includes Mike Wingfield's TCP. The 'Trix UNIX' is a port to the 68K, probably started with something V7ish (I see "setjmp.h" in there). Bits of the Montgomery EMACS appear to date from 1981, but the main source files seem to be from 1984. I also have the source to 'vsh' (Visual Shell), whatever that is. Noel