Understanding Linux System Calls: Mechanism, Debugging, and Implementation

This article explains how Linux system calls serve as the primary interface between user‑space programs and the kernel, describes the transition from user mode to kernel mode, and provides step‑by‑step debugging examples and source‑code snippets for x86_64 architectures.

AssemblyLinuxkernel debugging

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Understanding Linux System Calls: Mechanism, Debugging, and Implementation