/SHOW
       /SHOW=(option[,...])
       /SHOW=(HEADER,SOURCE) (D)

    Used with the /LIST qualifier to set or cancel specific listing
    options. You can select the following options:

    Option       Usage

    ALL          Print all listing information.
    [NO]HEADER   Print/do not print header lines at the top of each
                 page (D = HEADER)
    [NO]INCLUDE  Print/do not print contents of #include files (D =
                 NOINCLUDE)
    NONE         Print no listing information
    [NO]SOURCE   Print/do not print source file statements (D =
                 SOURCE)
    [NO]STATISTICPrint/do not print compiler performance
                 statistics (D = NOSTATISTICS). On I64 systems, the
                 /SHOW=STATISTICS option is ignored.