title: How to select 2 column 5 and 9 from a text file lacking header in command line terminal?
body: <p>If I have the following code shown below. On the command line, if execute ls function, I see this result. However, I want to cherry pick some columns 5 and 9 for instance. How to do that? PS. I am a novice in programming :). Thank you in advance.</p>
  <p><code>ls how.txt</code></p>
  <pre><code>-rw-rw-r--. 1 w w 665K Nov 14 12:00 xxx.pdb
  -rw-rw-r--. 1 x x 404K Nov 14 12:00 yyy.pdb
  -rw-rw-r--. 1 y y 165K Nov 14 12:00 zzz.pdb
  </code></pre>