15.64.18.1  Names  - 
     1.  TEST - null device
     2.  CALCOMP - Calcomp plotters
     3.  PRINTRONIX - Printronix printer plotter
     4.  QMS-1200 - QMS Lasergrafix 1200 laser printer
     5.  EXCL - Talaris 1590 printer
     6.  REGIS  - Dec VT-24x, Dec GIGI, and other devices supporting REGIS
         protocol.
     7.  SIXEL  -  Dec VT-240, LN-03, LA-50, LA-100 , Talaris 1590 and any
         other device using SIXEL graphics.
     8.  TEKTRONIX  -  Tektronix  4010/4014  terminals or emulators.  This
         includes:  Dec  VT-240,  Terminals  with  retrographics,  Selanar
         100XL,  Visual  102,  CIT-467, Talaris 1590, Falco, and Macintosh
         with VERSATERM.
     9.  VERSATEK - Versatek printer/plotter
    10.  TEKEMUL - Tektronix 4010/4014 emulators, using the SLAC driver.
    11.  TEK4027 - Tektronix 4027 color terminal
    12.  GKS - Interface To DEC GKS package
    13.  GRINNELL - Grinnell graphics device

    14.  IMAGEN - Imagen laser printer 
    15.  POSTSCRIPT - Postscript printer
    16.  GPOSTSCRIPT - Postscript driver using DEC-GKS
    17.  EPS - Encapsulate postscript driver using DEC-GKS
    18.  HPGL - Hewlett packard plotters
    19.  XWINDOW - Vax station using DECwindows.
Note:  Some of these device drivers may not be available.  You will get an
error message if they do not exist.