 DGT IS A TASK FOR READING TAPES FROM RDOS DATA GENERAL MACHINES.
 COMMANDS ARE LIKE THOSE FOR TPC WITH THE FORMAT AS FOLLOWS.
 NOTE THAT ONE USUALLY TYPES
 R DGT
 DGT>G 0
 DGI>DV:[UIC]FILENAME.TYP;VER
   WHERE THE USUAL DEFAULTS APPLY TO FILENAMES. DGI> PROMPT
   GIVES FILE NAME TO GET DATA OFF TAPE. TAPE IS NOT
   POSITIONED PRIOR TO RUN.
   FREE FORMAT COMMANDS:
 	LETTER,NUMBER[,NUMBER]
 	WHERE
 	LETTER=R,REWIND UNIT (0 OR 1)
 	      =E, WRITE ENDFILE ON UNIT 0 OR 1
 	      =S, SKIP +- N RECORDS ON UNIT 0 OR 1
 	      =F, SKIP +- N FILES ON UNIT 0 OR 1
 	      =C, COPY PDP11 FILE TO TAPE
 	      =W, WRITE TAPE FILE TO DISK.
 	      =P, COPY PDP11 FIILE TO TAPE IN EBCDIC FOR PUNCH
 	      =I, COPY TAPE FILE TO PDP11, TAPE IN EBCDIC
 	      =G, GET DG FORMAT TAPE FILE, DUMP TO PDP11
 			(200 BIT CLEARED ON INPUT IN ALL BYTES)
 	      =O, OUTPUT TAPE WITH RECORDS TERMINATED BY C.R.
 			O UNIT,BLKFACTOR,FLAG  (FLAG=1 MEANS SET 200
 				BIT IN ALL OUTPUT CHARS, =ANYTHING ELSE
 				MEANS LEAVE 200 BIT OFF ALWAYS.
 	      =U, READ IN LIKE G EXCEPT BIG RECORDS A LA UNIVAC JUNK
