Ubuntu is a well-liked desktop Operating System, which uses the Linux kernel, and its server release is getting pretty popular as well. The main reason is the fact that the OS is amazingly light and it'll function on almost any kind of hardware without issues, utilizing its resources to the maximum. Ubuntu is also really reliable and secure and all Long-Term Support (LTS) releases are supported for a minimum of five years, which warrants that you should have a risk-free and dependable software environment on your server all of the time. Also, Ubuntu has one of the biggest user communities on the planet, so if you experience any kind of problem or have any question, you'll find lots of resources on the web. Among the main advantages of this Operating System is the fact that it contains a large number of software packages which can be freely changed according to your needs as well as the needs of the apps which you need to run, not to mention that you won't have to pay any license fees at any time. In contrast, other Operating Systems are paid and their code is not accessible, which means that it can't be changed.