title: How to give 777 permission to multiple directories at a time in unix?
body: <p>I have several sub directories in a root directory. at a time i want to give <code>chmod 777</code> permission to those directories. </p>
  
  <p>i know individually we can give <code>chmod -r 777 abcd</code> but i want to give permission to those directories which ever i require at a time.</p>
  
  <p>Example : </p>
  
  <pre><code>XYZ -- Parent Directory 
  
  ABCD EGF GHY JHF OIEDF -- These are sub directories.
  
  now i want to give chmod 777 to ABCD EGF GHY . at a time to all these directories.
  </code></pre>
  
  <p>Thanks in Advance.  </p>