Run Windows XP on Ubuntu with Virtualbox
VirtualBox is a general-purpose full virtualizer for x86 hardware. Targeted at server, desktop and embedded use, it is a professional-quality virtualization solution that is also Open Source Software.
VirtualBox runs on Windows, Linux, Macintosh and OpenSolaris hosts and supports a large number of guest operating systems including but not limited to Windows (NT 4.0, 2000, XP, Server 2003, Vista), DOS/Windows 3.x, Linux (2.4 and 2.6), and OpenBSD.
The below video by EdgyRootStudios demonstrates how to run Microsoft Windows XP on Linux Ubuntu Edgy Eft 6.1.0 using VirtualBox.