This chapter provides the following information regarding physical and logical files:
DDS positional entries for physical and logical files (Positions 1 through 44) gives rules and examples for filling in positions 1 through 44 of the data description specifications (DDS) form. DDS Keyword Entries for physical and logical files (Positions 45 through 80) gives rules and examples for specifying DDS keywords. The keywords are described in alphabetical order.