It took careful work to recover the UNIX V4 operating system from the 9-track magnetic tape. The software is foundational for ...
How-To Geek on MSN
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 ...
UNIX version 4 is quite special on account of being the first UNIX to be written in C instead of PDP-11 ASM, but it was also ...
Archivist Al Kossow of Bitsavers, who led the technical recovery, described the process as "easy" as such efforts go. The tape, he explained, had "a pretty ...
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