Patent ID: 8924702

Claim:
An operating method of a dual operating system, adapted to switch a first operating system and a second operating system on a docking system composed of a portable electronic device and a docking station, wherein the second operating system comprises a first part and a second part, the portable electronic device stores the first operating system and the first part of the second operating system, and the docking station stores the second part of the second operating system, the operating method of the dual operating system comprising: determining a state of the portable electronic device; when the portable electronic device executes the first operating system and determines that a time for the first operating system being in an idle mode thereof exceeds a first predetermined time, the portable electronic device automatically starting the first part of the second operating system and restoring an operating frame of the first operating system after the first part of the second operating system is activated; and when the portable electronic device and the docking station are coupled to each other and when the portable electronic device executes the first part and the second part of the second operating system and determines that a time for the second operating system being in an idle mode thereof exceeds a second predetermined time, the portable device automatically starting the first operating system and restoring an operating frame of the second operating system after the first operating system is activated; and when the portable electronic device and the docking station are not coupled to each other, the portable electronic device automatically executing the first operating system.