Debian is a Linux distribution, that is widespread for desktop computers, however it's been gaining popularity as a server Operating System during the last couple of years as well. It's really dependable and risk-free, since fixes are released in a couple of days after an issue is discovered. Debian has a large support community, so if you have any questions or issues with the OS or with some of the 30,000+ packages it includes, you're able to contact the developers right away via e-mail using special mailing lists and receive a reply in 15-20 minutes. The Debian community provides the best level of support possible, since all of your questions will be handled by the very same people who built Debian in the first place, so they have an in-depth knowledge of how their system functions. Since the Operating System is absolutely free to use and distribute, no license costs will be included with your hosting fees and you will be able to modify the code files and any additional software that you install with no restrictions, in order to optimize the software environment for your Internet sites. What's more, Debian performs really well on any hardware, because it is light and efficient and doesn't require much memory.