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.

ZDNET's key takeaways Arch and Fedora are two different Linux distributions.One of these is better suited for those with less ...

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 ...

Computer maker Sun Microsystems announced Wednesday plans for inexpensive desktop computers based on the free Linux operating system in a bid to undermine archrival Microsoft. Marking a second plunge ...

Ultimately, every problem in the constantly evolving IT software stack becomes a database problem, which is why there are 418 different databases and datastores in the DB Engines rankings and there ...

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 ...

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 ...

The free Linux operating system handles big tasks like running supercomputers and ATMs. Now Linux has a chance to finally crack Microsoft's hold on computing's most visible domain —mainstream PCs — ...

Sun Microsystems Inc., whose server computers power networks and Web sites, introduced a machine that will run on the free Linux operating system, a bid to stem a drop in sales as users seek less ...