Positions 7-16 (File Name)

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Free-Form Syntax The name is specified following the DCL-F operation code. See Free-Form File Definition Statement
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Entry
Explanation
A valid file name
Start of change Every file used in a program or procedure must have a unique name. The file name can be from 1 to 10 characters long, and must begin in position 7. End of change

See Rules for File Names for more information about how the file name is used at compile-time and run-time.