What is so good about Ubuntu? What features/applications does it have that Windows or OSX do not have? So, Ubuntu is absolutely free? Is it a secure program? Will it harm my computer in any way? I will be using a Black Macbook to run Ubuntu using Sun Virtualbox. For those who run Ubuntu using Sun Virtualbox, does it run smoothly? Is it easy to install? Should I get the program via disc or download? Is their a beginner's guide to Ubuntu anywhere? If anyone could direct me to one, I would be very grateful. Thanks guys, Tigercat212 ***EDIT*** If there is a better place to put this thread, feel free to move it moderators.