CentOS is one of the most sought after Linux-based server Operating Systems available on the market. It is used by lots of web hosting suppliers, because it is very stable, secure and reliable, not to mention that it is freely customizable, because it is an open-source Operating System. CentOS is used for production servers, as it's also very quick and takes minimal resources. What's more, you are able to set up and run any web app, provided that it can operate on a Linux computer system. If you use a CentOS-powered server, you can edit any part of the Operating System in accordance with your preferences. The fact that CentOS is provided for free does mean that you will have to pay only for your server, but not for any kind of license fees, that will minimize your overall expenses. A vast team of developers and users is behind CentOS, therefore if you ever have any kind of problems, or you are simply unsure how to perform a specific task, you will be able to find a solution quickly. An important advantage of the OS is also the fact that every release is officially supported and updated for a minimum of ten years, so you will always have a safe and reliable software environment.