Windows 7 only: If you've been itching to use the new XP Mode feature in Windows 7, but you aren't too keen on using Virtual PC or just prefer VirtualBox, here's how to use XP Mode in VirtualBox.

For instance, if you'd like to run Windows XP on your Windows 7 host system, you could create an XP virtual machine that runs XP inside a window you can view in Windows 7.

Learn how to run Windows on Linux using VirtualBox. This step-by-step guide covers setup, optimization, and seamless integration.