Your real PC running VirtualBox is called the host; VirtualBox is technically the hypervisor; and any virtualized systems it runs on the host PC are called guests, and are your virtual machines (VM).

How to install Ubuntu on VirtualBox? To install Ubuntu on VirtualBox, users need to download the Ubuntu ISO file from its official website and create a new virtual machine. Once they are done, the ...

Head over to VirtualBox Images, where you can download and run pre-compiled VDI files (i.e. VirtualBox hard drive images, like the dynamic/fixed kind you created above) for some swap-and-run fun.

VirtualBox 3.2 beta is a free download for Windows, Mac, and Linux systems. If you already know of some neat and, shall we say, unofficial OS X work-arounds that make use of VirtualBox, tell us ...