CentOS is amongst the most preferred Linux-based server Operating Systems today. It is preferred by a large number of web hosting providers, as it is very stable, secure and reliable, not to mention that it is freely customizable, because it is an open-source OS. CentOS is used for production servers, for the reason that it's also very quick and takes negligible system resources. What's more, you are able to install and run any kind of web application, provided that it can run on a Linux machine. When you use a CentOS-powered server, you can adjust any part of your Operating System according to your specifications. The fact that CentOS is free also means that you will have to pay just for your server, but not for any sort of license fees, that will lower your overall expenses. A vast team of developers and users stands behind CentOS, and if you ever have any kind of problems, or you're simply not sure how to perform a specific task, you can find a solution right away. An important advantage of the OS is also the fact that every release is officially supported and updated for at least ten years, so you will always have a secure and stable software environment.