title: Seperate sh command in multiple lines
body: <p>I have a sh command in jenkinsfile. </p>
  
  <pre><code>sh 'command1 command2'
  </code></pre>
  
  <p>How to write this in multiple lines?</p>
  
  <pre><code>sh '''
  command1 \
  command2
  '''
  </code></pre>
  
  <p>or </p>
  
  <pre><code>sh '''
  command1 &amp;&amp;
  command2
  '''
  </code></pre>