Published on: 2025-06-11 19:45:15
Table of Contents Introduction System calls are fundamental interfaces between user applications and the operating system kernel. They allow programs to request services from the operating system, such as file operations, process control, and network access. One important distinction in system calls is between “fast” and “slow” system calls, which affects how they interact with signal handling, process scheduling, and overall system performance. In this article, we’ll explore: The core diffe
Keywords: calls include printf read signal
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