CentOS is an abbreviation for Community Enterprise Operating System. This is one of the best Linux releases for servers and it is regarded as being one of the most dependable and secure Operating Systems available. CentOS is open-source software, which means that you'll be able to customize it in any way you see fit, adding and removing packages or changing the program code of all of them. It's also free to distribute and use, so you will not need to pay any kind of license fees, which means that the total price that you will have to pay for a server running CentOS will be lower than the price for a server working with some other OS. What makes CentOS unique among other Linux releases is its huge developer community, that will help you discover the reply to any kind of question or problem you may have. In addition, each version that is released officially is supported for 10 years, that's is much longer than with any other operating system. What this means is frequent safety and stability updates which provides a great software environment for your web applications in the long run.