the main control unit 130 mounted in the body 100 are explained with reference to fig6 as follows first of all if a user inputs commands using input keys of the input unit 170 the input unit 170 transmits the inputted commands to the main control unit 130 via a transmitter the main control unit 170 controls a dryer operation according to the commands sent from the input unit 170 and then transfers associated information to the display unit 180 via a transmitter the display unit 180 receives the information transmitted by the main control unit 130 and then displays the associated information according to the received information the main control unit 130 generally includes a microcomputer and a memory the main control unit 130 controls a motor to drive a drum a heater to heat air to be supplied within the drum a blower to blow the air heated by the heater into the drum thereby enabling the dryer to perform a drying course meanwhile the embodiment shown in the drawing is just exemplary and can be modified in various ways that can be easily implemented by those skilled in the art for instance unlike the embodiment described above the input unit and the display unit can be separately configured from each other so that the attaching positions of the respective units can be switched independently a dual laundry machine according to the present invention is shown in fig7 or fig8 fig7 shows that a dryer 150 is provided next to a washing machine 160 in parallel fig8 shows that the dryer 150 shown in fig2 is placed on the washing machine 160 the dryer 150 shown in fig7 or fig8 corresponds.