CentOS is amongst the most preferred Linux-based server Operating Systems on the market. It is used by many web hosting providers, as it is very stable, reliable and secure, not to mention that it can be customized freely, because it's an open-source Operating System. CentOS is used for production servers, because it's also really quick and takes minimal system resources. On top of that, you're able to set up and run any kind of web application, provided that it can run on a Linux equipment. When you use a CentOS-powered server, you're able to edit any part of the Operating System according to your needs. The fact that CentOS is absolutely free also means that you will have to pay for your server, and not for any kind of license fees, that will cut down your overall expenses. A vast group of developers and users is behind CentOS, so in case you ever have any problems, or you are simply unsure how to perform a certain task, you will be able to find a solution right away. A significant advantage of the OS is also the fact that every single release is officially supported and updated for at least 10 years, which means that you'll always have a secure and dependable software environment.