title: Draw the process tree of the following program
body: <p>I have to draw the process tree for this piece of code:</p>
  
  <pre><code>int main ()
  {
      int i;
      for(i = 0; i &lt; 3; i++)
          if(fork() &gt; 0) 
              fork();
      return 0;
  }
  </code></pre>