It’s great to have multiple computers. On the first of them, you can install a database or crunch spreadsheets. On another, you can simply browse the Web, listen to music, and check your e-mail. Yet ...

Most modern computers are powerful enough to run entire operating systems within your main operating systems, which means virtual machines are more commonplace today than ever. Here’s a look at the ...

Qubes OS is a free open-source operating system that’s fully security-oriented. It leverages Xen-based virtualization, which allows the user to create, use and delete easily isolated compartments ...