CentOS is amongst the most popular Linux-based server Operating Systems today. It's employed by numerous web hosting providers, since it's very stable, reliable and secure, not to mention that it is freely customizable, since it is an open-source OS. CentOS is used for production servers, as it is also very quick and takes negligible system resources. Also, you will be able to set up and run any kind of web application, as long as it can function on a Linux equipment. If you use a CentOS-powered server, you can edit any part of your Operating System in accordance with your specifications. The fact that CentOS is provided for free does mean that you will have to pay only for your server, but not for any kind of license fees, that will cut down your overall expenses. A huge group of developers and users stands behind CentOS, therefore if you ever have any problems, or you are simply not sure how to perform a certain task, you can find a solution quickly. An important benefit of the OS is also the fact that each and every version is officially supported and updated for a minimum of ten years, which means that you will always have a secure and reliable software environment.