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1972 UNIX V2 “beta” resurrected from old tapes

There's a number of backups of old DECtapes from Dennis Ritchie, which he gave to Warren Toomey in 1997. The tapes were eventually uploaded, and through analysis performed by Yufeng Gao, a lot of additional details, code, and software were recovered from them. A few days ago, Gao came back with the results from their analys of two more tapes, a

https://www.osnews.com/story/141769/1972-unix-v2-beta-resurrected-from-old-tapes/