title: Bash echo with an $ character outside the string
body: <p>Can anyone explain what is the difference between </p>
  
  <pre><code>echo $"Starting $CMD" 
  </code></pre>
  
  <p>and </p>
  
  <pre><code>echo "String $CMD"
  </code></pre>
  
  <p>They seem to look the same.</p>