Q Query User before Overwriting etc.
QR | NQR Query/No Query on EDT-Return.
QR CFS Command EDT/EDL: After terminating EDT, the user is asked if the virtual EDT memory should be deleted (@D).
Action Codes EDT/EDL: The virtual EDT memory will automatically be deleted following the successfull execution of the UPD Action Code.
NQR The virtual EDT memeory is not deleted following a UPD Action Code; the user will not be queried for @D after returning to CFS from EDT.
Standard: QR.