Patent ID: 8146093
Filing Date: 2012-03-27
Classification: G06F

Abstract:
1. A switching method for a computer having at least a first and a second operating systems (OSs), in the computer a first data exchange region is provided for storing the running environment information of the first OS, and a second data exchange region is provided for storing the running environment information of the second OS, wherein the method comprises: A. saving a current running state information of computer hardware devices and the current running environment information of the first OS in a random access memory (RAM) after receiving a command for switching from the currently operated first OS to the second OS; B. copying the current running environment information of the first OS saved in the RAM to the first data exchange region, and copying the running environment information of the second OS previously stored in the second data exchange region to the RAM; and C. restoring the current running state information of the computer hardware devices based on the current running information saved in the RAM, and starting the second OS based on the running environment information of the second OS copied to the RAM and the state of the computer hardware devices; wherein before copying the running environment information of the second OS previously stored in the second data exchange region to the RAM in the step B the method further comprises: