A multi-screen system including a plurality of displaying devices for sequentially receiving request signals and separately storing corresponding IDs (IDentifications) included in the received request signals, and respectively outputting a response signal in response to a received request signal. Also included is an operating device for outputting a request signal including a corresponding ID, for outputting a new request signal if a response signal is received from a corresponding displaying device, and for transmitting control information about image segments to be respectively displayed on the displaying devices.