what do you know about document management systems?

so...I will tell you someting : It are the computerized management of electronic as well as paper-based documents.

This Software generally supports a large variety of document formats and provides extensive access control and searching capabilities across LANs and WANs. A document management system may support multiple versions of a document and may be able to combine text fragments written by different authors. It often includes a workflow component that routes documents to the appropriate users.