Example

> pstart();

Plotting Options:
 < 1> (xwin)     X-Window (Xlib)
 < 2> (xterm)    Xterm Window
 < 3> (tekt)     Tektronix Terminal (4010)
 < 4> (t4107t)   Tektronix Terminal (4105/4107)
 < 5> (mskermit)         MS-Kermit emulator
 < 6> (dg300)    DG300 Terminal
 < 7> (plmeta)   PLPLOT Native Meta-File
 < 8> (tekf)     Tektronix File (4010)
 < 9> (t4107f)   Tektronix File (4105/4107)
 <10> (ps)       PostScript File (monochrome)
 <11> (psc)      PostScript File (color)
 <12> (xfig)     Xfig file
 <13> (ljii)     LaserJet II Bitmap File (150 dpi)
 <14> (hp7470)   HP 7470 Plotter File (HPGL Cartridge, Small Plotter)
 <15> (hp7580)   HP 7580 Plotter File (Large Plotter)
 <16> (imp)      Impress File
 <17> (null)     Null device

Enter device number or keyword: 17
Sending output to Null device..
> pstart(1,2,"hp7470")
Enter desired name for graphics output file: dummy.hpgl
Created dummy.hpgl
 P =
        1