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).

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.

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 ...

All platforms: Free and open source virtualization software VirtualBox gets a "major upgrade" to version 2.1 which is now available for download. Support for 64-bit guests on 32-bit host operating ...