Ubuntu is an exceptionally popular Operating System, which uses the Linux kernel. Though it's used primarily on desktop machines, its server version has been gaining in popularity lately as well. Ubuntu is among the lightest Linux distributions out there and it's compatible with almost any kind of hardware, that makes it a universal OS. It's also very stable and secure and has an no less than a 5-year support life cycle, so you will be able to receive official safety and performance updates. Unlike a number of other Operating Systems, Ubuntu is distributed without license fees and you will be able to modify its core, as well as any of the numerous packages it comes with, in any way you see fit. This allows you to set up the ideal software environment for all of your web applications irrespective of their requirements. Because of the popularity of the OS, Ubuntu has vast developer and user communities, which means that you will always find plenty of materials on the web regarding any question or problem that you might have.