Ubuntu is a very popular OS, which employs the Linux kernel. Even though it is used mainly on PCs, its server version has been rising in popularity lately as well. Ubuntu is among the lightest Linux distributions out there and it's compatible with almost any hardware, which makes it a universal OS. It is also very stable and secure and has an at least a 5-year support life cycle, so you will be able to receive official safety and performance updates. Unlike alternative Operating Systems, Ubuntu is distributed without any license fees and you are able to customize its core, as well as any of the countless packages it contains, in any way you find fit. This enables you to install the ideal software environment for all your web applications whatever their specifications. Due to the popularity of the Operating System, Ubuntu has vast developer and user communities, so you will always find a lot of materials on the world wide web related to any question or problem which you may have.