How System Calls Work in Linux @ OSWeekly.com

LincLinc OwnerDetroit Icrontian
edited April 2006 in Science & Tech
A guide to some fundamentals of a Linux-based OS.
Every GNU/Linux programmer here reading this article must have
used system calls to code their programs. GNU/Linux programming is
incomplete without system calls. System calls are initiated by software
interrupts. Before we delve into that, however, let’s define system
calls. A system call is the mechanism used by an application program to
request service from the operating system, or more specifically, the
operating system kernel.
Source: OS Weekly
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