title: Merge two file line by line using awk
body: <p>I have got two files named file1.txt and file2.txt.</p>
  
  <p>file1.txt :</p>
  
  <pre><code>Tom
  Harry
  Martin
  job
  Kevin
  </code></pre>
  
  <p>file2.txt :</p>
  
  <pre><code>Samson
  Edward
  Thomas
  Wilco
  </code></pre>
  
  <p>Mergefiles.txt: </p>
  
  <pre><code>Tom
  Harry
  Martin
  job
  Kevin
  Samson
  Edward
  Thomas
  Wilco
  </code></pre>
  
  <p>I am using "cat" to merge these files but would like to know if this a good approach or can be done using awk command. pLease help.</p>
  
  <pre><code>cat file1.txt file2.txt &gt; mergefiles.txt
  </code></pre>