The following Natural system commands have been incorporated into the Natural Tools for DB2:

Natural System Command	Explanation
LISTSQL	Lists Natural DML statements and their corresponding SQL statements.
LISTSQLB	Provides explanations of SQL statements for a specific object.
SQLERR	Provides information of the SQLCA on a DB2 error.
SQLDIAG	Provides diagnostic information about the last SQL statement (other than a GET DIAGNOSTICS statement) that was executed.
LISTDBRM	Displays either a list of DBRMs (database request modules) for a particular Natural program or a list of Natural programs that reference a particular DBRM.

For a description of these commands, follow the links leading to the Natural System Commands documentation.