A terminal for simply selecting one of menus in multitasking operation and displaying the selected menu as an entire image on a screen in consideration of user convenience, and its control method are disclosed. The terminal includes a display module; a user input unit configured to detect a touch input; and a controller configured to slide currently executed menus according to a pre-set method if the input touch continues by longer than a particular time, selecting one of executed screen image of the slid menu, and display it as an entirely magnified image.