Home > Articles

  • Print
  • + Share This
This chapter is from the book

Exam Prep Tasks

Review All Key Topics

Review the most important topics in the chapter, noted with the Key Topic icon in the outer margin of the page. Table 18.4 lists a reference of these key topics and the page numbers on which each is found.

Table 18.4 Key Topics for Chapter 18

Key Topic Element

Description

Page Number

Listing 18.1

Unit types in systemd

408

List

Three sections of a systemd unit file

409

Paragraph

Understanding Target Units

412

Exercise 18.1

Managing units with systemctl

414

Table 18.3

Systemctl unit overview commands

415

Section

Managing systemd targets

418

Exercise 18.2

Isolating targets

420

Bullet list

Explanation of the role of kernel and initramfs

420

Listing 18.9

Contents of the /etc/default/grub file

421

Exercise 18.3

Applying modifications to GRUB 2

424

Complete Tables and Lists from Memory

Print a copy of Appendix B, “Memory Tables” (found on the disc), or at least the section for this chapter, and complete the tables and lists from memory. Appendix C, “Memory Tables Answer Key,” also on the disc, includes completed tables and lists to check your work.

Define Key Terms

Define the following key terms from this chapter and check your answers in the glossary:

  • unit
  • wants
  • target
  • systemd
  • dependencies
  • initramfs
  • kernel
  • boot loader
  • GRUB
  • + Share This
  • 🔖 Save To Your Account