CentOS is short for Community Enterprise OS. This is one of the top Linux releases for servers and it's regarded as one of the most stable and safe Operating Systems on the market. CentOS is open-source software, which means that you're able to customize it in any way you see fit, adding and removing packages or changing 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, which means that the total price that you will have to pay for a server making use of CentOS will be cheaper than the price for a server running another OS. What makes CentOS stand out among various other Linux distributions is its huge developer society, that will help you get the answer to any question or problem you have. What's even more, each version that's released officially is supported for a decade, that's is longer than with any alternative OS. This means routine protection and stability updates which provides a dependable software environment for all your web apps in the long run.