100 /	TEST OF BLKCPY WITH FILES.
 110 
 120 /	LAST EDIT:	08-FEB-1987	16:00:00	CJL
 130 
 140 /	THIS FILE DEMONSTRATES SOME OF THE FILE-RESIDENT
 150 /	CAPABILITIES OF BLKCPY
 160 
 170 /	HERE ARE SOME NULL COMMANDS:
 180 
 190 NUL0:0>	NUL0:0-177
 200 NUL0:0<	NUL0:0-177		/COPY SOME NULL BLOCKS
 210 NUL1:0>	NUL0:0-1		/COPY SOME NULL BLOCKS
 220 NUL1:0>	NUL0:0-17		/COPY SOME NULLS
 230 NUL1:0!	NUL0:0-17		/COMPARE SOME NULL BLOCKS
 240 
 250 /	WE WILL NOW EXIT
 260 
 270 	$			/GOODBYE!