Ubuntu is a well known desktop Operating System, that uses the Linux kernel, but its server version is getting really popular too. The main reason is that the OS is very light and it'll run on almost any hardware without any issues, utilizing its resources to the max. Ubuntu is also pretty reliable and secure and all Long-Term Support (LTS) releases are supported for a minimum of five years, which guarantees that you should have a risk-free and dependable software environment on your website hosting server all the time. Also, Ubuntu has one of the biggest user communities in the world, which means that if you experience any issue or have any question, you will discover numerous resources online. Among the key advantages of this Operating System is the fact that it contains numerous software packages which can be easily customized according to your needs and / or the requirements of the apps that you need to run, not to mention that you will not have to pay any kind of license fees any time. In comparison, other Operating Systems are paid and their code isn't accessible, which means that it can't be changed.