title: "while :" vs. "while true"
body: <p>When you look at how infinite loops should be implemented, you mostly see this approach:</p>
  
  <pre><code>while :
  do
    # loop infinitely
  done
  </code></pre>
  
  <p>But I just don't understand the use of <code>:</code> here. Wouldn't it be better to use:</p>
  
  <pre><code>while true
  do
    # loop infinitely
  done
  </code></pre>
  
  <p>?</p>