CentOS is an abbreviation for Community Enterprise Operating System. This is one of the best Linux distributions for servers and it is well known as one of the most stable and safe Operating Systems on the market. CentOS is open-source software, which means that you will be able to personalize it in whatever way you see fit, adding and removing packages or altering the program code of any of them. It is also free to distribute and use, so you won't have to pay any license fees, which means that the overall price that you'll have to pay for a server running CentOS will be much lower as compared to the price for a server running some other OS. What makes CentOS unique among various other Linux releases is its huge developer society, which will help you get the answer to any question or problem you may have. What's more, each version that's released officially is supported for ten years, that's is a lot longer than with any alternative operating system. This means ordinary safety and stability updates which provides a dependable software setting for your web apps in the long run.