If you want to run a different operating system on your computer than what came preinstalled, check out the best virtualization software we've tested. I've been writing about software and hardware for ...

Windows Vista notably didn’t make the cut — but [Andrew]’s Virtual OS museum has a good claim to being the most ...

This is a real operating system blast from the past.

If you’ve ever wondered what it felt like to use the many operating systems Apple (and NeXT) released over the past 40-plus ...

Andrew Warkentin has spent over twenty years collecting old operating systems and getting them to run. The result is the ...

Andrew Warkentin's Virtual OS Museum packages 600-plus historical operating systems into a downloadable Linux VM, with Full and Lite editions for offline use.

Virtual machines, simulated PCs with their own operating systems running within another computer’s software, are super freakin’ cool. (That’s a technical term, I’m a professional technology writer.) ...

Anyone who frequently installs and uninstalls new software, tests beta versions of programs, or tinkers with the registry in Windows, often reaches the point where they have to completely re-install ...

Last week’s LinuxWorld Conference in Boston was the locus of several important announcements. Again, virtualization was front and center. In no particular order: * XenSource announced XenEnterprise.

Kevin Pedretti, lead researcher for Sandia National Laboratories’ virtual external operating system program, uses his laptop computer to inspect a virtual machine experiment running on Sandia’s Red ...