title: delete everything before pattern including pattern using awk or sed
body: <pre><code>aaa aaaa aaaa aaaa
  sss ssss ssss ssss
  ddd dddd dddd dddd
  fff ffff ffff ffff
  abc pattern asd fde 
  111 222 333 444 555
  666 777 888 999 000
  </code></pre>
  
  <p>Desired output : If the </p>
  
  <pre><code>111 222 333 444 555
  666 777 888 999 000
  </code></pre>