CentOS is short for Community Enterprise Operating System. This is one of the best Linux releases for servers and it is recognized as being one of the most dependable and protected Operating Systems out there. CentOS is open-source software, which means that you're able to personalize it in whatever way you see fit, adding and removing packages or modifying the code of all of them. It is also free to distribute and use, so you won't need to pay any kind of license fees, meaning that the total price that you'll have to pay for a server running CentOS will be more affordable as compared to the price for a server running some other OS. What makes CentOS unique among various other Linux releases is its huge developer community, which will help you get the reply to any kind of question or problem you might have. What's more, each version that is released officially is supported for a decade, that's is much longer than with any alternative OS. This means routine security and stability updates that provides a reliable software environment for all of your web apps in the long run.