Ubuntu is an extremely popular Operating System, that uses the Linux kernel. Even though it is used mainly on PCs, its server version has been gaining in popularity recently as well. Ubuntu is among the lightest Linux releases available and it is compatible with almost any hardware, which makes it a universal OS. In addition, it is very stable and secure and has an no less than a five-year support life cycle, so you can receive official safety and performance updates. Unlike many other Operating Systems, Ubuntu is distributed with no license fees and you are able to modify its core, and any of the countless packages it contains, in any way you see fit. This enables you to install the ideal software environment for your web apps irrespective of their specifications. Due to the popularity of the OS, Ubuntu has huge developer and user communities, so that you will always find a lot of materials on the web regarding any question or problem which you may have.