title: How to change dot size in gnuplot
body: <p>How to change point size and shape and color in gnuplot.</p>
  
  <pre><code>plot "./points.dat" using 1:2 title with dots
  </code></pre>
  
  <p>I am using above command to plot graph ,but it shows very small size points.</p>
  
  <p>I tried to use command </p>
  
  <pre><code>set pointsize 20
  </code></pre>
  
  <p>but still point size is same.</p>