Ubuntu is a popular desktop Operating System, which uses the Linux kernel, and its server version is getting very popular as well. The reason is the fact that the operating system is amazingly light and it will run on almost any hardware with no issues, utilizing its resources to the max. Ubuntu is also pretty reliable and secure and all Long-Term Support (LTS) editions are supported for a minimum of five years, which warrants that you will have a secure and dependable software environment on your web hosting server all of the time. In addition, Ubuntu has one of the largest user communities around the world, which means that if you experience any problem or have any kind of question, you'll discover a number of resources online. One of the key benefits of this Operating System is the fact that it includes numerous software packages that can be easily modified according to your needs as well as the needs of the apps that you intend to run, not to mention that you will not have to pay any kind of license fees at all. In comparison, other Operating Systems are paid and their code isn't accessible, therefore it can't be changed.