Mobile terminal and mode controlling method therein

A mobile terminal including a communication unit configured to communicate with at least one external terminal; a memory configured to store at least first and second operating systems including at least first and second modes, respectively; and a controller configured to display, in a first display region of a display unit of the mobile terminal, a first application indicator corresponding to a first application executable in the first mode using the first operating system and that can be activated by selecting the first application indicator, to display, in a second display region, a second application indicator corresponding to a second application executable in the second mode using the second operating system and that can be activated by selecting the second application indicator. Further, the first and second application indicators indicate whether the applications are executable in the first mode or the second mode, or executable in both the first and second modes.