Fear not, Gregg; no twists intended or assumed. It could well be that there was an earlier print run of The UNIX Programming Environment that got it wrong and claimed to be done with V7 on an 11/750. But I've never seen it (which is why I specified the exact edition and printing I was quoting); and if it said that it was an error or a fib. So far as I know nobody ever did a port of straight V7 to a VAX. TUPE was written just before I arrived at the Labs; it's possible that the 11/70 was still around during the writing, though it was gone before I came. I don't know whether the name V8 was coined before the 11/70 was retired. Maybe Dennis remembers more. The original edition of The C Programming Language was certainly done on an 11/70; it may have been published before the VAX hardware existed in the field, and certainly before that part of Bell Labs had one. My beat-up paperback copy (copyright 1978, third printing) credits Graphic Systems for the typesetter, the 11/70 for the system hardware, but just says UNIX--no version stated--for the OS. Norman Wilson Toronto ON