Which option is used for the viewing copybook layout?
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Option 1
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Option 3
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Option 8
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Option 10
File-AID Option 8 provides the copybook layout utility for viewing record layout definitions and understanding data structures. Options 1 and 3 are for primary editing and utilities, while Option 10 serves a different purpose.
This question refers to a mainframe utility/panel (such as File-AID, IBM's SPUFI/ISPF-based tools, or similar) where numbered menu options map to specific functions, and 'Option 8' is indicated as the one used to view a copybook's layout (typically to map/format a dataset's records against a COBOL copybook structure). Without more context on exactly which tool's menu this refers to, this is a fairly tool/version-specific fact rather than something derivable from first principles, so it's presented as the DB's marked answer with lower certainty than the other, more universally-verifiable questions in this batch.