ON

This command turns on tracing for one or more transactions. It creates a record in the debug control queue to cause tracing to begin when the selected transaction and user ID occur in a trace call.

OFF

This command turns off tracing for one transaction or user. It removes a record from the debug control queue to prevent tracing. TDFI will also remove the record when you stop tracing at the debug terminal.

SHOW

This command lists all the records in the debug control queue.

PURGE

This command deletes all records from the debug control queue. It turns off tracing for all transactions