CentOS is short for Community Enterprise OS. This is one of the top Linux distributions for servers and it is recognized as being 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 whatever way you see fit, adding and removing packages or modifying the program code of all of them. It is also free to distribute and use, so you won't have to pay any kind of license fees, which means that the overall price that you'll have to pay for a server making use of CentOS will be cheaper as compared to the price for a server running another OS. What makes CentOS unique among other Linux distributions is its huge developer society, which will help you discover the reply to any question or problem you may have. Furthermore, each version that's released officially is supported for ten years, that is is longer than with any alternative OS. This means regular safety and stability updates which will provide a stable software setting for all of your web applications in the long run.