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 ...
How-To Geek on MSN

52 years later, UNIX V4 has been rediscovered and digitized

Linux, macOS, FreeBSD, Android, and other operating systems can trace their lineage back to the early commercial versions of Unix. One of the missing links in that chain, UNIX Fourth Edition, is now ...