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UNIX V4 is back: I booted into the 1973 OS and it made me weirdly happy

Classic Unix tools (ls, cat, ed, cal, dc) and games show modern OS lineage ...

Hidden in storage, a University of Utah research associate happened upon the only known copy of this ‘revolutionary’ software

It took careful work to recover the UNIX V4 operating system from the 9-track magnetic tape. The software is foundational for ...
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The UNIX Operating System (1982)

"The UNIX Operating System" is a documentary that Bell Labs made in 1982 about UNIX's significance, impact and usability. Even 10 years after its first installation, it's still an introduction to the ...