@DEF DSK: DSK:,<DECUS.20-0137> @LOAD DIFEQ1.FOR,APLB10/LIB,FORLIB/SEAR @SAVE DIFEQ @COM DIFEQ2 ;.EXE FILE EXECUTE ONLY @SET FILE PROTECTION DIFEQ.EXE 771010 ;.REL FILE READ/EXECUTE @SET FILE PROTECTION DIFEQ2.REL 775050 ;(PUT ON SYS:DIFEQ.EXE PUT ON REL:DIFEQ2.REL)