CentOS is one of the most popular Linux-based server Operating Systems out there. It is preferred by numerous hosting service providers, because it's 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, because it's also really quick and takes minimal resources. What's more, you will be able to install and run any kind of web application, as long as it can operate on a Linux device. When you use a CentOS-powered server, you'll be able to adjust any part of the Operating System according to your specifications. The fact that CentOS is free of charge means that you will have to pay for your server, and not for any sort of license fees, which will reduce your overall expenses. A huge group of developers and users stands behind CentOS, and if you ever encounter any kind of problems, or you are simply unsure how to perform a particular task, you can discover a solution quickly. An important advantage of the OS is also the fact that each and every version is officially supported and updated for a minimum of 10 years, so that you will always have a safe and stable software environment.