CentOS is among the most widely used Linux-based server Operating Systems nowadays. It's employed by a large number of website hosting providers, because it is very stable, reliable and secure, not to mention that it is freely customizable, since it's an open-source OS. CentOS is used for production servers, as it is also very fast and takes negligible system resources. Also, you are able to set up and run any web app, provided that it can operate on a Linux computer system. When you use a CentOS-powered server, you will be able to customize any part of your Operating System according to your preferences. The fact that CentOS is free means that you will need to pay just for your server, and not for any license fees, that will reduce your overall expenses. A huge group of developers and users stands behind CentOS, so in case you ever experience any kind of problems, or you are simply unsure how to perform a specific task, you will be able to find a solution right away. A significant benefit of the OS is also the fact that every version is officially supported and updated for at least ten years, so that you'll always have a safe and stable software environment.