Debian is a Linux release, that is preffered for desktop machines, however it's been gaining popularity as a server Operating System during the last few years as well. It's really dependable and risk-free, since fixes are released within a few days after a problem is discovered. Debian has a huge support community, so if you have any kind of questions or issues with the OS or with some of the 30,000+ packages it comes with, you can contact the developers right away through e-mail using special e-mail lists and receive a reply in just 15-20 minutes. The Debian community offers the top level of support possible, because all of your questions will be handled by the very same people who built Debian in the first place, so they have a thorough knowledge of how their system functions. Because the Operating System is absolutely free to use and distribute, no license costs will be added to your website hosting fees and you can change the code files and any other software which you install without restrictions, so as to optimize the software environment for your websites. What's more, Debian performs very well on any hardware, because it's light and fast and doesn't require much memory.