Chapter 11. System Startup and Customizing a Linux System

In the last chapter, you learned about using traps and signals. You also learned about creating menus with the help of dialog utility.

In this chapter, you will learn about Linux system startup, from power on to the user login and how to customize a Linux system environment.

System startup, inittab, and run levels

When we power on the Linux system, the Shell scripts are run one after another and the Linux system is initialized. These scripts start various services, daemons, start databases, mount discs, and many more applications. Even during the shutting down of the system, certain Shell scripts are executed so that important system data and information can be saved to the disk and the applications ...

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