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