The following table describes process identifiers pre-loaded by Data Express:
| Process Identifier | Access Type | Description | 
|---|---|---|
| ADAUN | Unload File Access (DSNTIAUL) | ADABAS BY UNLOAD | 
| DB2DA | DB Direct Access (output DSNTIAUL) | DB2 DIRECT ACCESS | 
| DB2IY | Image Copy (output UNLOAD) | DB2 BY UNLOAD OF ICOPY FULL | 
| DB2UN | Unload File Access (DSNTIAUL) | DB2 BY UNLOAD | 
| DLIHD | Unload File Access (DSNTIAUL) | DL/I BY UNLOAD HSSR | 
| DLIUN | Unload File Access (DSNTIAUL) | DL/I BY UNLOAD | 
| GENDA | DB Direct Access (output DSNTIAUL) | VSAM,SEQ,GDG DIRECT ACCESS | 
| GENUN | Unload File Access (DSNTIAUL) | VSAM,SEQ,GDG BY UNLOAD | 
| VSMDA | DB Direct Access (output DSNTIAUL) | VSAM DIRECT ACCESS |