title: Run a particular script everyday using crontab
body: <p>I have cron job which run every day at <code>4:00 am</code> </p>
  
  <pre><code>00 4 * * * /home/unix/test.sh
  </code></pre>
  
  <p>suppose now time is <code>1:00 am</code> and i don't want to run  this cron job only for today 
  what i have to do .</p>