CentOS is short for Community Enterprise Operating System. This is one of the best Linux distributions for servers and it's recognized as one of the most dependable and secure Operating Systems on the market. CentOS is open-source software, so you're able to customize it in any way you see fit, adding and removing packages or updating the program code of any of them. It is also free to distribute and use, so you won't have to pay any kind of license fees, meaning that the total price that you will have to pay for a server making use of CentOS will be lower as compared to the price for a server running some other OS. What makes CentOS stand out among various other Linux releases is its huge developer community, which will help you find the answer to any kind of question or problem you have. What's even more, each version that's released officially is supported for 10 years, which is a lot longer than with any alternative operating system. This means frequent safety and stability updates that will provide a dependable software environment for all your web apps in the long run.