title: What commands are used to show the date/time and calendar in a dialog box of a system in linux?
body: <p>I would like to use mobaXterm term to show the date/time and calendar in a system dialog box. I've tried this command for the date and time: </p>
  
  <pre><code>dialog --title "System date and time" --infobox "Date is 'date'"
  </code></pre>
  
  <p>For the calendar I tried: </p>
  
  <pre><code>dialog  --title "Calender" --infobox "'cat nenuchoice.temp.$$'" 10 12
  </code></pre>