CentOS is amongst the most widely used Linux-based server Operating Systems to choose from. It's employed by a large number of hosting service providers, as it's very stable, reliable and secure, not to mention that it is freely customizable, since it's an open-source Operating System. CentOS is used for production servers, as it's also very quick and takes minimal resources. Furthermore, you'll be able to install and run any web application, as long as it can function on a Linux computer system. If you use a CentOS-powered server, you are able to change any part of the Operating System in accordance with your specifications. The fact that CentOS is provided for free does mean that you'll need to pay for your server, and not for any license fees, that will minimize your overall expenses. A large 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 certain task, you can find a solution very quickly. An important advantage of the OS is also the fact that each version is officially supported and updated for a minimum of ten years, which means that you will always have a secure and reliable software environment.