title: Can't find x11 terminal in gnuplot Octave on Mac OS
body: <p>I am running Mac OS Mavericks 10.9.4.</p>
  
  <p>Installed Octave 3.8.1 via Homebrew which came with gnuplot 4.6</p>
  
  <p>Have XQuartz 2.7.6 installed.</p>
  
  <p>I restarted my computer after all was done.</p>
  
  <p>In order to plot in <strong>octave-cli</strong> everyone states that I should just 'set terminal x11' BUT I don't even have x11 listed when I run 'set terminal' in <strong>gnuplot</strong></p>
  
  <p>Of course octave-cli will complain that my terminal is unknown.</p>
  
  <pre><code>octave:1&gt; x=1;
  
  octave:2&gt; plot(x);
  
  gnuplot&gt; set terminal aqua enhanced title "Figure 1" size 560 420  font "*,6" dashlength 1
  
                        ^
  
           line 0: unknown or ambiguous terminal type; type just 'set terminal' for a list
  </code></pre>
  
  <p>What did I do wrong? How can I debug this situation?</p>
  
  <pre><code>rami@ramis-macbook:~&gt; gnuplot 
  
  G N U P L O T
  
  Version 4.6 patchlevel 5    last modified February 2014
  
  Build System: Darwin x86_64
  
  Copyright (C) 1986-1993, 1998, 2004, 2007-2014
  
  Thomas Williams, Colin Kelley and many others
  
  gnuplot home:     http://www.gnuplot.info
  
  faq, bugs, etc:   type "help FAQ"
  
  immediate help:   type "help"  (plot window: hit 'h')
  
  
  
  Terminal type set to 'unknown'
  
  gnuplot&gt; set terminal
  
  
  
  Available terminal types:
  
             canvas  HTML Canvas object
  
                cgm  Computer Graphics Metafile
  
            context  ConTeXt with MetaFun (for PDF documents)
  
              corel  EPS format for CorelDRAW
  
               dumb  ascii art for anything that prints text
  
                dxf  dxf-file for AutoCad (default size 120x80)
  
              eepic  EEPIC -- extended LaTeX picture environment
  
                emf  Enhanced Metafile format
  
              emtex  LaTeX picture environment with emTeX specials
  
           epslatex  LaTeX picture environment using graphicx package
  
                fig  FIG graphics language for XFIG graphics editor
  
                gif  GIF images using libgd and TrueType fonts
  
               gpic  GPIC -- Produce graphs in groff using the gpic preprocessor
  
            hp2623A  HP2623A and maybe others
  
             hp2648  HP2648 and HP2647
  
               hpgl  HP7475 and relatives [number of pens] [eject]
  
             imagen  Imagen laser printer
  
               jpeg  JPEG images using libgd and TrueType fonts
  
              latex  LaTeX picture environment
  
                lua  Lua generic terminal driver
  
                 mf  Metafont plotting standard
  
                mif  Frame maker MIF 3.00 format
  
                 mp  MetaPost plotting standard
  
               pcl5  HP Designjet 750C, HP Laserjet III/IV, etc. (many options)
  
                png  PNG images using libgd and TrueType fonts
  
         postscript  PostScript graphics, including EPSF embedded files (*.eps)
  
            pslatex  LaTeX picture environment with PostScript \specials
  
              pstex  plain TeX with PostScript \specials
  
           pstricks  LaTeX picture environment with PSTricks macros
  
                qms  QMS/QUIC Laser printer (also Talaris 1200 and others)
  
              regis  REGIS graphics language
  
                svg  W3C Scalable Vector Graphics driver
  
            tek40xx  Tektronix 4010 and others; most TEK emulators
  
            tek410x  Tektronix 4106, 4107, 4109 and 420X terminals
  
            texdraw  LaTeX texdraw environment
  
               tgif  TGIF X11 [mode] [x,y] [dashed] ["font" [fontsize]]
  
               tikz  TeX TikZ graphics macros via the lua script driver
  
           tkcanvas  Tk/Tcl canvas widget [perltk] [interactive]
  
               tpic  TPIC -- LaTeX picture environment with tpic \specials
  
            unknown  Unknown terminal type - not a plotting device
  
  Press return for more:   
  
              vttek  VT-like tek40xx terminal emulator
  
              xterm  Xterm Tektronix 4014 Mode
  </code></pre>