CentOS is among the most popular Linux-based server Operating Systems available on the market. It is used by lots of web hosting providers, since 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, for the reason that it is also very fast and takes minimal resources. In addition, you are able to set up and run any kind of web application, provided that it can function on a Linux computer system. If you use a CentOS-powered server, you will be able to customize any part of your Operating System according to your preferences. The fact that CentOS is free means that you'll have to pay just for your server, and not for any kind of license fees, that will cut down your overall expenses. A huge team of developers and users stands behind CentOS, therefore if you ever experience any problems, or you are simply not sure how to perform a certain task, you can discover a solution right away. A significant advantage of the OS is also the fact that each and every release is officially supported and updated for a minimum of 10 years, which means that you'll always have a secure and stable software environment.