What is Kernal mode layer and User mode layer

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Accepted Answer

Kernel mode layer is the privileged mode of the operating system where critical system functions are executed, while user mode layer is where user applications run with limited access to system resources.

Kernel mode layer has direct access to hardware and can execute privileged instructions.
User mode layer runs user applications and has restricted access to system resources.
Examples of kernel mode functions include memory management, process scheduling, and device drivers.
Examples of user mode applications include web browsers, word processors, and games.