CentOS is short for Community Enterprise Operating System. This is one of the best Linux releases for servers and it's well known as one of the most reliable and secure Operating Systems on the market. CentOS is open-source software, so you'll be able to personalize it in any way you see fit, adding and removing packages or changing the code of any of them. It's also free to distribute and use, so you will not need to pay any license fees, meaning that the overall price that you'll need to pay for a server making use of CentOS will be lower than the price for a server running an alternative OS. What makes CentOS stand out among various other Linux releases is its huge developer community, that will help you find the reply to any kind of question or problem you might have. Furthermore, each version which is released officially is supported for ten years, that is is longer than with any other OS. This means regular security and stability updates which will provide a dependable software environment for all of your web apps in the long run.