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

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 ...

Computer History Museum software curator Al Kossow has pulled the contents from a more than half-century-old tape found at ...

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 ...

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 ...

Ken Thompson and Dennis Ritchie at a PDP-11. Peter Hamer [CC BY-SA 2.0] Last week the computing world celebrated an important anniversary: the UNIX operating system turned 50 years old. What was ...

In the intricate landscape of operating systems, two prominent players have shaped the digital realm for decades: UNIX and Linux. While these two systems might seem similar at first glance, a deeper ...

In the 1990s and well into the 2000s, if you had mission-critical applications that required zero downtime, resiliency, failover and high performance, but didn’t want a mainframe, Unix was your go-to ...