CentOS is one of the most preferred Linux-based server Operating Systems out there. It's employed by a number of web hosting service providers, because it's very stable, secure and reliable, not to mention that it is freely customizable, since it is an open-source OS. CentOS is used for production servers, because it's also very fast and takes negligible resources. In addition, you will be able to install and run any web app, provided that it can run on a Linux equipment. If you use a CentOS-powered server, you'll be able to adjust any part of your Operating System according to your specifications. The fact that CentOS is free also means that you'll need to pay only for your server, but not for any kind of license fees, that will cut down your overall expenses. A large group of developers and users is behind CentOS, therefore in case you ever encounter any kind of problems, or you are simply not sure how to perform a specific task, you'll be able to find a solution in no time. An important advantage of the OS is also the fact that every version is officially supported and updated for a minimum of ten years, so that you'll always have a safe and dependable software environment.