CentOS is among the most preferred Linux-based server Operating Systems out there. It's employed by numerous hosting providers, since it is very stable, secure and reliable, not to mention that it is freely customizable, because it is an open-source OS. CentOS is used for production servers, because it is also really quick and takes minimal system resources. On top of that, you'll be able to install and run any kind of web app, provided that it can function on a Linux machine. If you use a CentOS-powered server, you'll be able to adjust any part of the Operating System according to your specifications. The fact that CentOS is free means that you will need to pay only for your server, and not for any kind of license fees, which will decrease your overall expenses. A vast group of developers and users is behind CentOS, and in case you ever have any kind of problems, or you are simply not sure how to perform a specific task, you can discover a solution very quickly. An important benefit of the OS is also the fact that every single version is officially supported and updated for no less than ten years, so you will always have a safe and reliable software environment.