What is the Difference between DBMS and RDBMS ?

1. dbms is a single user system rdbms is a multiuser system
2. dbms  do not store data in the form of tables while rdbms stores it in the form of tables.
3. most of dbms are not supporting client/server architecture as it is supported by rdbms.
4. most dbms do not support distributed databases
5. In DBMS store and retrieve small amount of Data In RDBMS store and retrieve large amount of Data
6. RDBMS is more secure than DBMS
7. in rdbms is relation is more important than object itself while dbms    entity is more important
8. In DBMS tables are not related. In RDBMS tables are related