.Huge File.
      For DOS version,640K limitation is forced and large file cannot be
      processed.Use GCC version if DPMI server is avail.
      QEMM386 is one of a DPMI server under DOS.
      If no DPMI host is avail,use CWSDPMI archived in GCC version.
      Melt CSDPMI4b.zip,then copy .exe to the PATH.
      If no DPMI works well or it takes a long time to load a large
      file or memoryShortage occuer,use input line range parameter
      for EDIt/BROwse command.      ex) e 100-500.