                                                                                FORMAT DISK: HEADER"MYDISK",I01[,D0][,U9] / HEADER"MYDISK,A1"
OPEN FILE  : DOPEN#10,"FILENAME"[,W]OR[,R][,D0][,U10] / DOPEN#8,(FN$+",W")
  (SEQ)      DOPEN(LF),"FNAME,W" / DOPEN#1,"PRG.LST,W":CMD1:LIST:PRINT#1:DCLOSE
               N.B. ONLY "W" MANDATORY, LF# 0 AND 1 FOR PRG FILES, AND TO READ:
             DOPEN#2,"FILENAME":DO:GET#2,A$:PRINT A$;:LOOP UNTIL ST:DCLOSE
CLOSE FILE : DCLOSE#2 / DCLOSE / DCLOSE ON U9 - N.B. W/O #, DOS CLOSES ALL FILESADD TO FILE: APPEND#8,"PRT1.FILE":PRINT#8,... / CONCAT"PRT2.FILE"TO"PRT1.FILE"
LOAD BASIC : DLOAD"PRG.NAME"[,D0][,U11] / DLOAD"PRG*" / RUN"PRG.NAME"
SAVE BASIC : DSAVE"PRG.NAME"[,D0][,U9] / DSAVE"@PRG.NAME" / DSAVE (PN$),U(DR)
LOAD BINARY: BLOAD"ML.FILE"[,D0][,U9][,B1][,P3584] / BOOT"ML.FILE"[,D0][,U10]
SAVE BINARY: BSAVE"ML.FILE"[,D0][,U10][,B0],P3584 TO P4096 - START & END ADDR.
DOS CMDS   : COPY"FNAME"TO"FNAME.B-U"[,D0][,U9] / RENAME"OLDNAME"TO"NEWNAME"
             SCRATCH"OLDNAME" / SCRATCH"FILE1,FILE2..." / COLLECT[U9]
--------------------------------------------------------------------------------RENUMBERING: RENUMBER 100,10,67 (1ST LINE NO, INCREMENT, STARTING FROM OLD LINE)CONVERSION : X$="X":PRINT ASC(X$) / PRINT DEC("CDCC") / PRINT HEX$(52684)
STRING     : CHAR[0],0,18[,"THIS TEXT..."][,1] - N.B. STRING CAN BE IN VARIABLE
PLACEMENT      N.B. [COLOR SOURCE- 0=BKGND,1=FRGND] ,COLUMN,ROW [,STRING][,RVS]
             X$="? THIS":X=INSTR(X$,"T"):X1$=MID$(X$,X,4):IF POS(0)<77 THEN ?X1$LOOPS      : FOR OL=1TO20:FOR IL=5TO11 STEP .5:NEXT [IL]:NEXT [OL] - N.B. .5, OKCONDITIONAL: IF(X/2)<>INT(X/2)THEN?"WHOLE NMBR, PLS":ELSEIFX<6 AND X>4THEN?"X=5"‘‘‘