We have already discussed about how to install virtualbox 2.0.2 in ubuntu hardy .Now we will see how to create a new virtual machine in virtualbox.
VirtualBox is a family of powerful x86 virtualization products for enterprise as well as home use. Not only is VirtualBox an extremely feature rich, high performance product for enterprise customers, it is also the only professional solution that is freely available as Open Source Software under the terms of the GNU General Public License (GPL).