Ubuntu is a really popular Operating System, which employs the Linux kernel. While it is used mainly on desktop machines, its server version has been gaining in popularity nowadays as well. Ubuntu is one of the lightest Linux releases out there and it supports almost any hardware, that makes it a universal Operating System. 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 various other Operating Systems, Ubuntu is distributed without license fees and you'll be able to customize its core, and / or all of the numerous packages it comes with, 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 specifications. Due to the popularity of the OS, Ubuntu has huge developer and user communities, which means that you'll always find find plenty of materials on the Internet about any question or problem that you might have.