title: Extract Maximum and minimum value using awk
body: <p>How to find maximum and minimum value from the below table using <code>awk</code> command.</p>
  
  <pre><code>20 90 60 30
  55 75 80 85
  10 15 99 95
  55 95 70 20
  9  35 85 75
  </code></pre>
  
  <p>I want the output like max <code>value=99</code> and <code>min=9</code></p>