CentOS is an abbreviation for Community Enterprise Operating System. This is one of the top Linux distributions for servers and it's recognized as one of the most stable and protected Operating Systems available. CentOS is open-source software, so you can personalize it in whatever way you see fit, adding and removing packages or updating the program code of any of them. It's also free to distribute and use, so you won't have to pay any kind of license fees, meaning that the overall price that you will need to pay for a server running CentOS will be much lower as compared to the price for a server working with another OS. What makes CentOS stand out among other Linux distributions is its huge developer society, which will help you get the answer to any kind of question or problem you might have. In addition, each version which is released officially is supported for ten years, which is longer than with any other OS. What this means is frequent safety and stability updates which will provide a dependable software setting for your web applications in the long run.