title: SED: Move multiple lines to the end of a text file
body: <p>I want to move <strong>multiple lines</strong> using SED to the <strong>end of a file</strong>. For example:</p>
  
  <pre><code>ABCDEF
  GHIJKL
  MNOPQR
  STUVWX
  YZ1234
  </code></pre>
  
  <p>should become:</p>
  
  <pre><code>STUVWX
  YZ1234
  ABCDEF
  GHIJKL
  MNOPQR
  </code></pre>