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Mechanisms for switching between kernel and user execution modes to restrict sensitive instructions.
Distinct from Administrative Privilege Management: Candidates focused on identity/account management or filesystem access, not CPU execution rings/modes.
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This project is a collection of technical documentation and guides designed as a computer architecture explainer. It provides educational resources on how processors and operating systems execute programs, focusing on the fetch-execute cycle and the fundamental relationship between hardware and the kernel. The documentation covers a wide range of low-level system operations, including detailed guides on the executable and linkable binary format, virtual memory management, and kernel-level operations. It specifically explores the mechanics of CPU scheduling, preemptive multitasking, and the us
Explains how the processor restricts instruction execution and memory access by switching between kernel and user modes.