ROLLOVERTIPS in AutoCAD

In AutoCAD you may of noticed that when you hover over an object with your cursor it may or may not display some information about the object. 

The below images shows this information:

 And this images doesn't show the information:

This can be controlled by typing ROLLOVERTIPS into the command line.

0 - Object rollover tooltips aren't displayed

1 - Object rollover tooltips will be displayed.