title: What is the meaning of the "less than" or "<" sign in mongoimport?
body: <p>What exactly does the 'less than' or '&lt;' sign do in turns of mongoimport.  For example, what is the difference between:</p>
  
  <ol>
  <li>mongoimport -d test -c work -f information.json</li>
  <li>mongoimport -d test -c work &lt; information.json</li>
  </ol>
  
  <p>Thank you in advance for your help.</p>