The file control entry declares the relevant physical attributes of a file.
SELECT [ OPTIONAL ] file-name-1
ASSIGN [ [ TO ] { device-name-1 } ... ] [ USING data-name-1 ]
{ literal-1 }
{ DYNAMIC }
[ ACCESS [MODE IS ] { RANDOM } ]
{ SEQUENTIAL }
{ INDEXED }
[ [ ORGANIZATION ] [ IS ] { RELATIVE } ]
{ SEQUENTIAL }
{ LINE SEQUENTIAL }
[ RESERVE integer-1 [ AREA ] ]
[ AREAS ]
[ [ FILE ] STATUS [ IS ] data-name-2 ]
[ ALTERNATE RECORD [ KEY IS ] data-name-3 [ [ WITH ] DUPLICATES ] ]
[ RECORD [ KEY IS ] data-name-4 ]
[ RELATIVE [ KEY IS ] data-name-5 ]
At least one of device-name-1, literal-1 or
data-name-1 must be specified.