CentOS is one of the most preferred Linux-based server Operating Systems today. It is used by a number of web hosting providers, as it is very stable, secure and reliable, not to mention that it is freely customizable, since it's an open-source OS. CentOS is used for production servers, because it's also very quick and takes minimal resources. Also, you are able to install and run any web application, provided that it can run on a Linux device. If you use a CentOS-powered server, you can edit any part of the Operating System in accordance with your requirements. The fact that CentOS is absolutely free means that you will need to pay for your server, but not for any license fees, that will lower your overall expenses. A huge community of developers and users is behind CentOS, therefore in case you ever experience any kind of problems, or you're simply unsure how to perform a specific 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 no less than ten years, so you will always have a secure and reliable software environment.