Oracle launched another salvo in the virtual machine battle (see The battle over virtual machine software for a deeper analysis of the battle) by offering Oracle VM 3.3. As mentioned in that article, ...

Some users are unable to see 64-bit guest operating systems displayed on the Oracle VM VirtualBox application and because of this, they are not able to install such operating systems on VirtualBox. In ...

Capable of running everything from Linux to OS X, Oracle's VirtualBox makes it possible to work on multiple operating systems at the same time. For instance, if you'd like to run Windows XP on your ...