Ubuntu is a widespread desktop Operating System, which uses the Linux kernel, and its server edition is getting quite popular as well. The main reason is that the operating system is really light and it will function on almost any kind of hardware without any issues, utilizing its resources to the max. Ubuntu is also really reliable and secure and all the Long-Term Support (LTS) releases are supported for a minimum of 5 years, which warrants that you should have a protected and stable software environment on your hosting server all of the time. Also, Ubuntu has one of the largest user communities around the world, so if you experience any kind of problem or have any kind of question, you will discover lots of resources on the web. Among the basic advantages of this Operating System is the fact that it has numerous software packages that can be freely modified in accordance with your needs and the requirements of the applications which you intend 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 program code isn't accessible, thus it can't be changed.