title: Split string/variable on first occurrence delimiter (UNIX)
body: <p>I would like to split the string with delimiter. 
  variable my_string contains Hello_This_Is_My_string
  The output will be only </p>
  
  <p>Below is my code : </p>
  
  <pre><code>result = $(echo $my_string |" cut -d '_' -f2")
  </code></pre>
  
  <p>However, I am getting <code>&lt;Is&gt;</code> instead of <code>&lt;This_Is_My_string&gt;</code> </p>