CentOS is one of the most sought after Linux-based server Operating Systems to choose from. It is employed by various web hosting service providers, because it is very stable, reliable and secure, not to mention that it is freely customizable, since it is an open-source Operating System. CentOS is used for production servers, because it is also really quick and takes negligible system resources. On top of that, you are able to install and run any kind of web app, as long as it can run on a Linux equipment. If you use a CentOS-powered server, you will be able to update any part of your Operating System in accordance with your specifications. The fact that CentOS is free means that you will have to pay for your server, and not for any license fees, that will minimize your overall expenses. A large community of developers and users is behind CentOS, so if you ever have any kind of problems, or you are simply unsure how to perform a certain task, you can discover a solution quickly. A significant benefit of the OS is also the fact that each release is officially supported and updated for no less than ten years, so you'll always have a secure and reliable software environment.