ABOUT THE AUTHOR

STEVE SUEHRING is an Assistant Professor of Computing and New Media Technologies at University of Wisconsin- Stevens Point. Prior to joining the faculty in 2015, Steve gained 20 years of field experience in a variety of technical engineering, system and network administration, and system architectural roles. Steve has written several books and has served as an editor for LinuxWorld Magazine.

Introduction vii

Part I Exam 101-500 1

Chapter 1 Topic 101: System Architecture 3

Chapter 2 Topic 102: Linux Installation and Package Management 21

Chapter 3 Topic 103: GNU and UNIX Commands 41

Chapter 4 Topic 104: Devices, Linux Filesystems, Filesystem Hierarchy Standard 63

Part II Exam 102-500 83

Chapter 5 Topic 105: Shells and Shell Scripting 85

Chapter 6 Topic 106: User Interfaces and Desktops 103

Chapter 7 Topic 107: Administrative Tasks 121

Chapter 8 Topic 108: Essential System Services 139

Chapter 9 Topic 109: Networking Fundamentals 157

Chapter 10 Topic 110: Security 175

Part III Practice Exams 193

Chapter 11 Practice Exam 1 195

Chapter 12 Practice Exam 2 207

Appendix Answers to Review Questions 219

Index 293