Answers

2014-07-17T00:19:05+05:30
Now a day we use g.u.i , but first c.u.i was used to run anything on computer ,command prompt is actually c.u.i provided with g.u.i that can operate anything . 
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hmm... what is g.u.i and c.u.i ???
gui is graphical user interface and cui is charackter user interface
ohh thanks now i understand .......