title: Parenthesize first character of each word
body: <p>i want to Parenthesize first character of each word </p>
  
  <pre><code>$ echo "Welcome To The Geek Stuff" | sed 's/\(\b[A-Z]\)/\(\1\)/g'
  </code></pre>
  
  <p>can anyone explain? i am not getting how it is working?</p>