Control Data Corporation 3300 Reference Manual page 279

FILE BLOCKING FORMATS
The input-output system blocks
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deblocks user files in accordance with information supplied L"J.
the BLOCK CONTAINS and RECORD CONTAINS clauses of the FD entry for. each file. Physical
record formats depend on the hardware type on which the file resides.
The maximum size of a block and logical record is 131, 067 characters.
The following chart shows the possible variations of BLOCK and RECORD clauses. The reference
codes used in the chart are defined in the following pages.
1\
BLOCK
CONTAINS
clause omitted
integer-1
CHARACTERS
integer-1
RECORDS
integer-1
TO
integer-2
CHARACTERS
integer-1
TO
integer-2
RECORDS
"0
(J.)
~
.~
a
o
(J.)
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~
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File Blocking Reference Chart
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