title: Escape sequence \f - form feed - what exactly is it?
body: <p><code>\f</code> is said to be the form feed. <code>\t</code> is a tab, <code>\a</code> is a beep, <code>\n</code> is a newline. What exactly is a form feed - <code>\f</code>? The following program</p>
  
  <pre><code>#include &lt;iostream&gt;
  int main()
  {
     std::cout &lt;&lt; "hello\fgoodbye" &lt;&lt; std::endl;  
  }
  </code></pre>
  
  <p>prints <code>hello</code> then a <strong><em>female sign</em></strong> (an upside down <a href="http://2.bp.blogspot.com/_tEXBaE1b0tA/S-iL1oTVhKI/AAAAAAAABZs/F4nGxS5X3Fc/s1600/grenade.jpeg" rel="noreferrer">holy hand grenade</a>:) and then <code>goodbye</code> all on one line. </p>