Ubuntu is a popular desktop Operating System, which uses the Linux kernel, and its server version is getting very popular too. The reason is the fact that the OS is very light and it'll run on almost any hardware without issues, utilizing its resources to the max. Ubuntu is also extremely reliable and secure and all the Long-Term Support (LTS) releases are supported for at least five years, which guarantees that you will have a safe and dependable software environment on your website hosting server all the time. In addition, Ubuntu has one of the largest user communities on earth, which means that if you experience any kind of problem or have any question, you'll discover a number of resources on the Internet. Among the major advantages of this Operating System is the fact that it features numerous software packages which can be freely adjusted according to your needs and the needs of the applications which you wish to run, not to mention that you will not have to pay any kind of license fees at all. In contrast, other Operating Systems are paid and their code is not accessible, therefore it can't be changed.