Controls whether an output listing is created and, optionally,
    provides an output file specification for the listing.

    Format

      /LIST[=file-spec]

      /NOLIST

 file-spec

    Specifies an output file specification for the listing file.
    The default device and directory are the current device and
    directory. The default file type is .LIS. No wildcard characters
    are allowed in the file specification.