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LPIC-1/CompTIA Linux+™ Certification All-in-One Exam Guide by Robb Tracy

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Managing Linux Runlevels

If you’ve worked with Linux before, you may have heard the term runlevel used. I’ve noticed that the concept of a runlevel is difficult for many new Linux users to understand. In this part of this chapter, we’ll review what a runlevel is and how you can manage runlevels on your system. The following topics will be covered:

• How runlevels work

• Managing runlevels and init scripts

Let’s begin by discussing how runlevels work.

How Runlevels Work

To manage a Linux system, you need to have a sound understanding of how runlevels work. In this part of this chapter, we’ll discuss the following:

• What is a runlevel?

• Defining runlevels in /etc/inittab

Let’s begin by discussing what a runlevel is.

What Is a Runlevel?

So what ...

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