You can use the Display Override (DSPOVR) command to display printer file overrides. You can display all printer file overrides or overrides for a specific printer file.
To display any overrides to the printer file PRTF1, type:
DSPOVR FILE(PRTF1)
To display all printer file overrides, type:
DSPOVR FILE(*ALL)
However, when the FILE parameter has a value of *ALL, the system presents a display with all the active overrides to all the file types supported on the system. Using FILE(*ALL) on the DSPOVR command is an indirect way to learn what overrides are active for any printer files; a more direct way is to issue a DSPOVR command for each printer file.