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

I booted UNIX V4 (first C rewrite) in a PDP‑11 emulator. It feels tactile—no backspace, staggered print, slower typing, and ...
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This UNIX-based operating system looks like it's from the 90s, but it's still receiving updates

First launched in 2018, the open-source SerenityOS offers its users a stripped-back GUI-based operating system that melds a 1990s desktop aesthetic with a focus on productivity for power users. It isn ...