Debian is a Linux release, which is widespread for desktop computers, however it's been gaining in popularity as a server Operating System over the last few years too. It is very dependable and safe, since fixes are released in just a few days after a problem is discovered. Debian has a huge support community, so when you have any kind of questions or troubles with the OS or with any of the 30,000+ packages it features, you are able to contact the developers without delay through e-mail using special mailing lists and receive a response in just 15-20 min. The Debian community offers the best level of support possible, because all of your questions will be handled by exactly the same people who built Debian in the first place, so they have a thorough knowledge of how their system works. Because the Operating System is 100% free to use and distribute, no license charges will be added to your website hosting fees and you will be able to modify the code files and any additional software that you install with no restrictions, to optimize the software environment for your Internet sites. What's more, Debian performs really well on any hardware, because it's light and efficient and doesn't need a lot of memory.