CentOS is among the most widespread Linux-based server Operating Systems available on the market. It's preferred by numerous website hosting service providers, as it's very stable, secure and reliable, not to mention that it is freely customizable, since it's an open-source Operating System. CentOS is used for production servers, as it is also really quick and takes minimal resources. What's more, you'll be able to set up and run any web app, as long as it can run on a Linux equipment. If you use a CentOS-powered server, you're able to customize any part of your Operating System according to your specifications. The fact that CentOS is free of charge does mean that you will have to pay only for your server, and not for any sort of license fees, which will minimize your overall expenses. A vast group of developers and users stands behind CentOS, so that if you ever experience any kind of problems, or you're simply unsure how to perform a particular task, you'll be able to discover a solution in no time. A significant advantage of the OS is also the fact that every release is officially supported and updated for a minimum of ten years, so you'll always have a safe and reliable software environment.