File name and directory path (248 characters maximum, including the characters needed for the directory path). An unspecified directory path defaults to the working directory; in this case, you can use all 248 characters for the file name.

The file name defaults to the current Jobname if Ident is specified.

File name identifier. See the Basic Analysis Guide for file descriptions and identifiers. If not an identifier, the program uses Ident as the file name extension.

Unused field.