Ubuntu is an extremely popular Operating System, which uses the Linux kernel. Even though it is used mainly on desktop machines, its server version has been gaining in popularity lately as well. Ubuntu is among the lightest Linux releases out there and it supports almost any kind of hardware, that makes it a universal Operating System. It's also very stable and secure and has an at the very least a 5-year support life cycle, so you can receive official protection and performance updates. Unlike lots of other OS's, Ubuntu is distributed without license fees and you're able to modify its core, and / or all of the numerous packages it features, in any way you find fit. This allows you to install the ideal software environment for all of your web apps whatever their requirements. Because of the popularity of the Operating System, Ubuntu has large developer and user communities, which means that you will always find plenty of materials on the web related to any question or problem that you might have.