CentOS is short for Community Enterprise Operating System. This is one of the leading Linux releases for servers and it is regarded as one of the most reliable and secure Operating Systems available. CentOS is open-source software, so you'll be able to customize it in whatever way you see fit, adding and removing packages or modifying the code of any of them. It's also free to distribute and use, so you won't have to pay any license fees, meaning that the overall price that you'll need to pay for a server making use of CentOS will be cheaper than the price for a server working with an alternative OS. What makes CentOS stand out among various other Linux distributions is its huge developer society, which will help you get the reply to any kind of question or problem you may have. In addition, each version which is released officially is supported for ten years, that's is longer than with any other OS. This means ordinary safety and stability updates which will provide a reliable software environment for all of your web applications in the long run.