Ubuntu is an extremely popular Operating System, which uses the Linux kernel. Though it is used mainly on desktops, its server version has been gaining in popularity these days as well. Ubuntu is among the lightest Linux distributions you can get and it is compatible with almost any kind of hardware, that makes it a universal OS. In addition, it is very stable and secure and has an at least a five-year support life cycle, so you will be able to receive official security and performance updates. Unlike numerous other Operating Systems, Ubuntu is distributed without license fees and you'll be able to customize its core, as well as any of the countless packages it features, in any way you see fit. This will allow you to set up the perfect software environment for all your web applications irrespective of their requirements. As a result of the popularity of the OS, Ubuntu has large developer and user communities, so that you'll always find find lots of materials on the Internet related to any question or problem that you might have.