Start Level 1 Node: Logical File NamesLogical File NamesEnd Level 1 Node: Logical File Names
   Start Level 1 Node: Defining Logical File NamesDefining Logical File NamesEnd Level 1 Node: Defining Logical File Names
   Start Level 1 Node: Function Module FILE_GET_NAMEFunction Module FILE_GET_NAMEEnd Level 1 Node: Function Module FILE_GET_NAME
   Start Level 1 Node: Function Module FILE_VALIDATE_NAMEFunction Module FILE_VALIDATE_NAMEEnd Level 1 Node: Function Module FILE_VALIDATE_NAME
   Start Level 1 Node: Defining and Using AliasesDefining and Using AliasesEnd Level 1 Node: Defining and Using Aliases
   Start Level 1 Node: Using Logical File Names in ProgramsUsing Logical File Names in ProgramsEnd Level 1 Node: Using Logical File Names in Programs