CentOS is one of the most widespread Linux-based server Operating Systems out there. It is preferred by numerous hosting suppliers, because it's very stable, reliable and secure, not to mention that it can be customized freely, because it is an open-source Operating System. CentOS is used for production servers, as it is also really quick and takes negligible system resources. Also, you are able to install and run any kind of web app, as long as it can function on a Linux machine. If you use a CentOS-powered server, you can edit any part of the Operating System according to your requirements. The fact that CentOS is free also means that you will have to pay just for your server, and not for any license fees, which will minimize your overall expenses. A large team of developers and users stands behind CentOS, so that in case you ever encounter any kind of problems, or you are simply unsure how to perform a particular task, you can find a solution 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, which means that you will always have a safe and dependable software environment.