From the command's help:


 Author:   Paul H. Christidis  phchristidis@raytheon.com

 Usage: listfx [FileSet] [Select_Expression]

 Where:
  FileSet = A :LISTFILE style fileset (If using the (fset,fset,..)
           format then it MUST be included in quotes).

  Select_Expression = An expression comprised of coded FINFO function
           calls. A number of 'predefined' FINFO parameters, constants,
           and options are available along with the capability of
           specifying any of the additional FINFO parameters.

    The 'predefined' items/constants/options are:
         $fcode   - The sting mnemonic for the file's file code.
         $icode   - The integer value for the file's file code.
         $eof     - The number of records in the file.
         $recsize - File's record size in 'positive' bytes.
         $credate - File's creation date.
         $moddate - File's last modification date.
         $accdate - File's last access date.
         $sectors - Number of sectors allocated to file.
         $finfo(  - To invoke any other 'finfo' item.
         $today   - The current day in 'yyyymmdd' format.
         $names   - To list only the file name (listfile,6).
         $ymd     - List dates in 'yyyy/mmdd' format.
         $pmcap   - List ONLY run modules with PM capability.
            Note: '$pmcap' requires READ access to qualifying
               files, and will change the file's access date.
 Examples:
  :listfx @,$fcode = 'prog' OR $icode = 1030

  :listfx @,($fcode = 'prog' OR $icode = 1030) AND $accdate<>$today

  :listfx ./[B-W]@ $eof < 1000 AND ($credate > $today-(18*30))
   :NOTE:   Correct evaluation of "$today" expressions REQUIRE that they
   contain NO spaces AND the command file "dtoffset" IS present AND col-
   located with THIS command file.  IN its absence the expression's result
   MUST evaluate within the current month.

  :listfx "(./[B-W]@,/SYS/PUB/@)" $eof<1000 AND $finfo("limit")>25000

  :listfx "(./[B-W]@,/SYS/PUB/@)" $eof<100 AND $pmcap $names