CentOS is short for Community Enterprise OS. This is one of the best Linux releases for servers and it is recognized as one of the most dependable and protected Operating Systems available. CentOS is open-source software, so you can customize it in whatever way you see fit, adding and removing packages or updating the program code of all of them. It's also free to distribute and use, so you won't need to pay any license fees, which means that the overall price that you'll need to pay for a server running CentOS will be more affordable than the price for a server running some other OS. What makes CentOS unique among various other Linux releases is its huge developer society, that will help you find the answer to any question or problem you may have. What's more, each version which is released officially is supported for a decade, which is longer than with any other operating system. This means regular protection and stability updates that provides a dependable software setting for all your web apps in the long run.