title: How to check sbt version?
body: <p>How do I check which version of sbt I'm running?</p>
  
  <p>I have the bash file set up that uses <code>sbt-launch.jar</code>, and it works, but    </p>
  
  <pre><code>$ sbt version
  </code></pre>
  
  <p>only shows the "project version" (0.1) and   </p>
  
  <pre><code>$ sbt --version
  </code></pre>
  
  <p>does nothing.</p>