Document revision control systems or version control systems, as they are sometimes called, are used for the management of changes to documents. These systems get more and more important these days as modern work often connects people from around the globe to collaborate and work together on all kinds of documents (for example, software source code) making it important to manage the file changes by different people using revisions. In this recipe, we will show you how to use modern version control systems such as GIT and Subversion to manage the versioning of config files.
To complete this recipe, you will require a working installation of the CentOS 7 operating system with root privileges, and a connection to the Internet in order to facilitate the download of additional packages.