Linux isn't a certified Unix system, and some say it definitely isn't Unix. The key question for a business is if a commercial Unix flavor is enough like Linux that you can make an easy transition ...

UNIX, meanwhile, was losing customers even as Linux grew and grew. A free operating system that turned even junky old PCs into decent servers? Of course it was popular. And with the advent of ...

Using Linux as a teaching tool, universities are once again graduating Unix-literate administrators and developers.

Originally written in one month during the summer of '69, a little operating system called Unix would go on to be one of the most important pieces of software ever written. Four decades later, the ...