title: how to merge two files into one file in Unix bash?
body: <p>i have two files:</p>
  
  <pre><code>filea          fileb
  apple          juice
  orange         pieces
  pineapple      juice
  </code></pre>
  
  <p>I want to store in a new file the output   </p>
  
  <pre><code>applejuice
  orangepieces
  pineapplejuice
  </code></pre>
  
  <p>meaning concatenate the 2 files in unix bash
  i tried <code>paste filea.txt fileb.txt &gt; new.txt</code> but i had an error is there another option? thank you</p>