CentOS is one of the most widely used Linux-based server Operating Systems to choose from. It is used by numerous website hosting providers, since it is very stable, reliable and secure, not to mention that it is freely customizable, because it is an open-source Operating System. CentOS is used for production servers, because it is also very quick and takes minimal resources. On top of that, you're able to install and run any kind of web application, as long as it can function on a Linux equipment. If you use a CentOS-powered server, you will be able to modify any part of the Operating System in accordance with your requirements. The fact that CentOS is free of charge does mean that you will need to pay just for your server, and not for any license fees, which will minimize your overall expenses. A large group of developers and users stands behind CentOS, and in case you ever experience any problems, or you are simply not sure how to perform a particular task, you can discover a solution quickly. An important advantage of the OS is also the fact that each release is officially supported and updated for no less than 10 years, so you'll always have a secure and stable software environment.