Use the BACKUP function to generate a backup of the Directory (CXX):
To use for rebuilding the Directory in case of hardware errors or accidental destruction.
Before running the CXXMAINT CONVERT option for upgrading the CXX to the present version of CA Datacom/DB (see CXXMAINT CONVERT1214 (Upgrade CXX to Current Version) for details).
As the first step in moving the Directory to a larger extent.
