Crucial early evolutionary step found, imaged, and ... amazingly ... works. Computer History Museum software curator Al Kossow has successfully retrieved the contents of the over-half-a-century old tape found at the University of Utah last month ... .
The version of Unix recovered seems to have some (but not all) of the commands that later appeared in Unix v5, according to discussion on social media. "UNIX wasn't versioned as we know it today," ...
"A tape-based piece of unique Unix history may have been lying quietly in storage at the University of Utah for 50+ years," reports The Register...UNIXOriginal From Bell Labs V4 (See Manual for format)... We expect to have a UNIX seminar early in 1974.