Information concerning the size of a disks, files, and tapes...

DISK:
                                                  1 REC  =      .128 KWDS
                                  1 TRK  =       18 RECS =     2.304 KWDS
                  1 CYL  =       19 TRKS =      342 RECS =    43.776 KWDS
  1 DSK  =      815 CYLS =    15485 TRKS =   278730 RECS = 35677.440 KWDS


COPY (DIR) reads out in KWORDS for files > 1K words, or in words otherwise.
<esc>2 X and WHO read out in RECORDS.
RESO reads out in TRACKS (also called blocks).
(Some other systems report disk file sizes in Pages, where 1 Page = .5K )

TAPE:
                                                        1 FRAME  =     6 BITS
                                         .001 KWDS =    6 FRAMES =    36 BITS
                         1 INCH   =      .133 KWDS =  800 FRAMES =  4800 BITS
            1 FOOT =    12 INCHES =     1.600 KWDS = 9600 FRAMES = 57600 BITS
1 TAPE = 2400 FEET = 28800 INCHES =  3840.000 KWDS (see note)


note -  There is some overhead for the DART format, so 1 TAPE is actually
	somewhat less than 3840 KWDS.

1 DSK = 9.291 TAPES