title: How to handle the view controllers?
body: <p>Hi guys I am working on an application.Where there is a home screen with 5 buttons.On the click of every button i want to open the screen with tabbar with 5 view controllers.I mean when you click on the button the tabbar is opened.And there are back button on the tab bar view as well .On clicking the back button i want to pop back to the home screen and vice versa.
  How to do that guys.Any tutorial ,links,sample code would be appreciated.</p>
  
  <p>Thanks a lot to all</p>