CentOS is among the most popular Linux-based server Operating Systems out there. It's preferred by lots of hosting service providers, because it is very stable, secure and reliable, not to mention that it is freely customizable, since it is an open-source OS. CentOS is used for production servers, because it's also very quick and takes negligible resources. Furthermore, you are able to install and run any web application, as long as it can function on a Linux computer system. When you use a CentOS-powered server, you can change any part of your Operating System according to your needs. The fact that CentOS is free means that you'll have to pay only for your server, and not for any sort of license fees, which will minimize your overall expenses. A huge community of developers and users stands behind CentOS, so that if you ever encounter any kind of problems, or you are simply not sure how to perform a certain task, you will be able to discover a solution quickly. A significant benefit of the OS is also the fact that every version is officially supported and updated for at least ten years, which means that you'll always have a secure and dependable software environment.