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The operating system is split into various layers in the layered operating system and each of the layers have different functionalities.
In this structure the OS is broken into number of layers. The bottom layer is the hardware and the topmost layer is the user interface. These layers are so designed that each layer uses the functions of the lower level layers only. This simplifies the debugging process as if lower level layers are debugged and an error occurs during debugging then the error must be on that layer only as the lower level layers have already been debugged.
There are six layers in the layered operating system. A diagram demonstrating these layers is as follows:
Advantages of Layered structure:
Disadvantages of Layered structure:
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