CLS Clears the screen before starting the utility.
COPYEXT Specifies the copybook extension to be used when generating the complete copybook name for a DBD, MFS or PSB COPY statement.
DEFAULTEXT Specifies the default file extension added to the input file name when no extension is specified.
ECHO Controls the interaction with the DBDGEN, MFSGEN and PSBGEN utilities.
EXCLUPDT Opens the output files for exclusive use by this instance of DBDGEN and no other task can read or update the DBDGEN files
until DBDGEN completes.
IMSLIBNO Specifies which IMS Load library directory in Workgroups is updated when multiple IMS Load Library directories are used.
LIST Controls the location and name of the detail listing file, which includes items such as source listings, completion status,
error messages and execution statistics.
VERIFY Runs the PSB Verify utility upon successful completion of PSBGEN.