Ubuntu is an exceptionally popular OS, which employs the Linux kernel. Even though it's used mainly on desktop machines, its server version has been rising in popularity recently as well. Ubuntu is one of the lightest Linux distributions available and it is compatible with almost any hardware, that makes it a universal Operating System. In addition, it is very stable and secure and has an a minimum of a 5-year support life cycle, so you will be able to get official security and performance updates. Unlike many other Operating Systems, Ubuntu is distributed without license fees and you are able to modify its core, as well as any of the countless packages it features, in any way you see fit. This will allow you to install the right software environment for your web applications whatever their requirements. As a result of the popularity of the Operating System, Ubuntu has large developer and user communities, so you can always find find numerous materials on the world wide web regarding any question or problem which you might have.