Ubuntu is a preferred desktop Operating System, which uses the Linux kernel, but its server edition is getting pretty popular as well. The main reason is the fact that the operating system is very light and it'll run on almost any kind of hardware without issues, utilizing its resources to the max. Ubuntu is also really reliable and secure and all of the Long-Term Support (LTS) editions are supported for at least five years, which warrants that you should have a safe and dependable software environment on your server at all times. Furthermore, Ubuntu has one of the biggest user communities around the world, so if you experience any problem or have any kind of question, you'll discover numerous resources on the Internet. One of the main benefits of this Operating System is the fact that it contains numerous software packages which can be freely modified in accordance with your needs as well as the requirements of the applications which you'd like to run, not to mention that you will not have to pay any license fees at any time. In contrast, other Operating Systems are paid and their code isn't accessible, which means that it cannot be changed.