"Whether you prefer Linux, Windows, or Mac OS X, you can
probably get almost everything you need done with your chosen OS.
However, sometimes a task demands an OS that you are not currently
using. That's where virtualization programs like Sun Microsystem's
VirtualBox 3.0 come in.
"What is it? VirtualBox is an open-source virtualization program
which lets you run guest operating systems with your native desktop
operating system. For instance, if you need Windows to run Quicken,
but prefer Linux for all your other work, VirtualBox enables you to
bring up Windows and Quicken without leaving your Linux
"What you get is an adjustable window containing the guest
operating system floating on the host system. So, for example, you
could have a Windows XP guest instance entirely hiding its Linux