A new DEBUG(SMSMSG) option has been added to the CONVERTV command, the COPY command for logical and physical data sets and the RESTORE command for logical and physical data sets. It instructs DFSMSdss to display ACS WRITE statements to the job output.
For details, refer to the topics about the CONVERTV command, COPY command and RESTORE command in z/OS DFSMSdss Storage Administration.