Ubuntu is a preferred desktop Operating System, which uses the Linux kernel, but its server version is getting very popular as well. The reason is the fact that the operating system is amazingly light and it'll function on almost any hardware without issues, utilizing its resources to the fullest. Ubuntu is also very reliable and secure and all the Long-Term Support (LTS) editions 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 worldwide, which means that if you experience any problem or have any kind of question, you will discover plenty of resources on the Internet. One of the main advantages of this Operating System is the fact that it features a large number of software packages that can be easily adjusted in accordance with your needs and / or the needs of the applications which you want to run, not to mention that you will not have to pay any license fees at all. In contrast, other OS's are paid and their program code isn't accessible, therefore it cannot be changed.