The Register on MSN

UNIX V4 tape successfully recovered: First ever version of UNIX written in C is running again

Crucial early evolutionary step found, imaged, and ... amazingly ... works Computer History Museum software curator Al Kossow ...
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 ...

Inside OpenAI’s Pro-Grade Codex 5.2 Made for Software Teams & Security Work

OpenAI GPT-5.2 Codex targets pro coding, scoring 56.4 percent on SE Bench Pro, so your team ships safer changes with fewer regressions.