DevOps in Linux — System Call Introduction
<p>In the context of Linux, a system call is a specific type of function that allows <strong>user-space</strong> programs to interact with the <strong>Linux kernel</strong>. Through system calls, software applications request the kernel to perform various operations like file I/O, process control, networking, and memory management, among others.</p>
<p>Below is the process flow of a simple open file system call:</p>
<p><img alt="" src="https://miro.medium.com/v2/resize:fit:483/1*o6DtjTS_6b0TQPkPKQH77g.png" style="height:298px; width:483px" /></p>
<h1>Why Do We Need System Call?</h1>
<p>System calls are essential for several reasons, mainly related to security, abstraction, and system integrity. Here are few main reasons:</p>
<p><a href="https://tonylixu.medium.com/devops-in-linux-system-call-introduction-a7a64e11dadc"><strong>Click Here</strong></a></p>