Linux, a clone of UNIX operating systems, is free to download, but users still pay for service and support. Maybe there is such a thing as a free lunch — when it comes to computer programs, at least.

This Linux desktop I tested can be opened and closed like an app - and I'm sold ...

SALT LAKE CITY - When Utah technology executive Darl McBride sniffs Linux, the free computer operating system, he picks up a scent of Unix, a long-established business system he maintains made Linux ...

In 1991, Unix was an important but secondary x86 operating system. That year, on August 25, a mild-mannered Finnish graduate student named Linus Benedict Torvalds announced on the Usenet group comp.os ...

Using Ubuntu Linux to import and edit photos from a digital camera. By J. D. Biersdorfer Companies are starting to see the advantages of being able to do large amounts of computing with technology ...

Why it matters: Debian is not the oldest Linux operating system out there, being just a month "younger" than Slackware. But the project started by Ian Murdock certainly is the most successful, as it ...

PALO ALTO, Calif. -- Sun Microsystems Inc. plans to sell inexpensive server computers that run the free Linux operating system, a growing market in which analysts had said they may be losing sales to ...

What are open-source operating systems? Underpinning an operating system, for example Windows on your PC or Android on your phone, is many, many lines of code. Allowing anyone to inspect the source ...

There’s no shortage of Linux operating systems available. However, many Linux distributions (distros) are niche OSes. For instance, Kali Linux is an ethical hacking and penetration testing Linux ...