A content management system is different from site builders such as Frontpage or Macromedia Dreamweaver, because web content managment systems all non-technical editors to easily make changes to content. Web content management systems are easy-to-use and do not take training list Microsoft Frontpage or Dreamweaver may.
CMS is a maintenance tool. As these systems become more popular, it is easier for organizations to management their own content independently.
It is worth looking at the following systems: Interwoven, Vignette, Stellent, Documentum, FileNet. These systems can use different languages such as XML, php, or CGI.
Most systems use a database, where entries are then created over a template. These updates can typically be done with a Web Browser.