What is daemon

Every multitasking operating system supports a special type of process, a process that is usually kept a lower priority, performing a specific task over and over. Those processes are kept out of sight, performing their function in the background, without any direct intervention by the user. In the Unix operating system terminology, among other operating systems as well, background processes are called daemons.

This tutorial will introduce you to daemon programming. You will first write a simple BASH script daemon, just to get a grip on what daemons are, and what they are capable of, only to move on to coding your first daemon in C. Daemons can be easily created under GNU/Linux, they mostly follow a specific convention. To begin coding your first daemon, you will need to find a use for it. Daemons can handle many tasks that could otherwise bother users and affect their productivity, which brings us to t

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