/[NO]LIST

  Requests a source listing file.  You can request additional listing
  information using the /MACHINE_CODE and /SHOW qualifiers.

  The default is /LIST for a batch process, and /NOLIST for an
  interactive process.

  You can include a file specification for the listing file.  If you
  omit the file specification, the listing file has the name of the
  first source file and a file type of LIS.

  The default depth of a page in a listing file is 66 lines.  To
  modify the default, assign the new number to the logical name
  SYS$LP_LINES using the DCL command DEFINE.  For example, the
  following DCL command sets the page depth at 88 lines:

     $ DEFINE SYS$LP_LINES 88

  The valid number of lines per page ranges from 30 to a maximum of
  255.  The definition can be applied to the entire system by using
  the command DEFINE/SYSTEM.

  In interactive mode, the compiler does not produce a listing file
  unless you include the /LIST qualifier.  In batch mode, the
  compiler produces a listing file by default.  In either case, the
  listing file is not automatically printed; you must use the PRINT
  command to obtain a line printer copy of the listing file.

  If a source line contains a form-feed character, that line is
  printed but the form-feed character is ignored (does not
  generate a new page).

  If a source line of length 1 contains a Ctrl/Z character, the
  source code listing contains a blank line in place of the Ctrl/Z
  character.

  Any other nonprinting ASCII characters encountered in HP
  Fortran source files are replaced by a space character and a
  warning message appears.

  For more information on the format of listing files, see the HP
  Fortran for OpenVMS User Manual.