Although many people claim that Linux is well on its way to replacing Unix, the reality is that Linux is Unix: a particular stream within a much wider community whose traditions and ideas both ...

On "1-2-3-4-5-6-7-8-9-0 Day," tech lovers all over the world celebrated the moment when the clocks in the popular Unix computer operating system struck that exact stream of numbers. But on Feb. 13, ...

I booted UNIX V4 (first C rewrite) in a PDP‑11 emulator. It feels tactile—no backspace, staggered print, slower typing, and it forced me to slow down. Classic Unix tools (ls, cat, ed, cal, dc) and ...

Forty years ago this summer, a programmer sat down and knocked out in one month what would become one of the most important pieces of software ever created. In August 1969, Ken Thompson, a programmer ...

Several readers took me to task for referring to Linux, BSD, and OS X as Unix. Lighten up, folks — I’m on your side. No one feels more protective of Unix’s heritage than I. Unix has a rich legacy that ...

About 300 enterprise IT professionals respond to a Computerworld survey about their plans for Unix and what is the venerable operating system's greatest market threat. See what they said.

Takeaway: Unix’s rock-solid reliability means that its relevant now more than ever – and Linux puts Unix’s power within reach. Unix has been around for a very long time. We remember the rampant ...

If you use Windows today and type ls, cat, grep, or awk in a terminal, there is a good chance something useful will happen. That was not always true. For most of the history of personal computing, ...

Forty years ago this summer, a programmer sat down and knocked out in one month what would become one of the most important pieces of software ever created. In August 1969, Ken Thompson, a programmer ...