Ubuntu is an extremely popular OS, which uses the Linux kernel. While it's used mainly on personal computers, its server version has been rising in popularity these days as well. Ubuntu is among the lightest Linux distributions out there and it supports almost any 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'll be able to receive official safety and performance updates. Unlike various other Operating Systems, Ubuntu is distributed with no license fees and you will be able to modify its core, and any of the countless packages it comes with, in any way you see fit. This will allow you to set up the ideal software environment for your web applications regardless of their specifications. As a result of the popularity of the OS, Ubuntu has huge developer and user communities, which means that you'll always find find numerous materials on the Internet about any question or problem which you might have.