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 ...

The "What's the difference between UNIX and Linux?" question can be answered similar to the analogy section that many of us had to complete on the SAT ...

What is Linux? Linux is an operating system similar to — though, as we’ll see, not directly descended from — Unix. Like most Unix-like OSes, Linux is made up of several components.

Setting aside legal issues afflicting the word, Unix is neither a brand nor a particular product: it is a set of ideas - implemented differently by the people behind Linux, the BSDs and Solaris, ...

Note that using a GNU/Linux system to run a server is an entirely different use case and one not covered here. What Are UNIX, Linux, and GNU?

Linux is a powerful operating system with much to offer - find out what it is and how to get started.

Note that using a GNU/Linux system to run a server is an entirely different use case and one not covered here. What Are UNIX, Linux, and GNU?

Linux continues to gain market share, but not at Windows' expense. Larry Seltzer believes that despite current perceptions, Linux is actually more of a threat to its progenitor, Unix.

Sure, Linux is popular, but fans of the OpenBSD operating system think they've got something better.

The /etc/inittab file controls what happens whenever a Unix system is rebooted or forced to change run levels. Let's take a look at the configuration lines that tell your system what it's supposed ...