Control Data Corporation 3300 Reference Manual page 278

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MAGNETIC TAPE
STANDARD ENDING LABELS
The input-output control system writes ending labels for all files with standard labeling and at the
end of each reel of a multireel file.
Starting
Character Length in Defined Values
Field Name Position Characters BCD Characters Only Function
End-of-Tape 1
3
EaT' End of tape for
intermediate reel
or or
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End-of-File
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EOF
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End of file for
final tape
Block Count 4
5
numeric Physical record
(block) count for
reel if multireel file;
for file if multifile
or single file reel
User supplied
9
72 Any combination of User comments field
information
legal BCD characters
60229400
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