No need to partition your Hard Drive, or reformat parts of it to test out the latest version of Linux. With VirtualBox you can manage Virtual Systems, and test them without having to format your computer, leave your main operating system, or worry about flaws in the current OS release. VirtualBox is free to use, and really simple to navigate and learn.
David shows you a quick walk through on how to get Ubuntu running in VirtualBox. VirtualBox supports many other Operating systems other than Linux based ones.