Content Management System is used for storing information on any format. The CMS will always increase its version with respect to the new updates to the already existing file. So version control is the primary advantage of any CMS. A CMS allows large organizations to structure and automate the collection of content that needs to managed and published on the web site.
A web content management (WCM) system is a CMS designed to simplify the publication of web content to web sites and mobile devices, in particular, allowing content creators to submit content without requiring technical knowledge of HTML or the uploading of files.