Today I’m taking about Virtualbox software and using it to install other OS on top of Windows Vista. this can be use full for people who use deferent OS for testing and presontations. the best part is this is a Free software, given Free for personal usage. Virtualbox was originaly done by Innotek, a German software company and now Sun Microsystems devolop this as an Open Source project.
Virtualbox curruntly run on Windows, Linux, MAC OS and (Open)Solaris and you can install lot of Guest OS’s, here you will find the full list.