Linux Essentials

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John Wiley & Sons, Sep 15, 2015 - Computers - 368 pages
Learn Linux, and take your career to the next level!

Linux Essentials, 2nd Edition provides a solid foundation of knowledge for anyone considering a career in information technology, for anyone new to the Linux operating system, and for anyone who is preparing to sit for the Linux Essentials Exam. Through this engaging resource, you can access key information in a learning-by-doing style. Hands-on tutorials and end-of-chapter exercises and review questions lead you in both learning and applying new information—information that will help you achieve your goals! With the experience provided in this compelling reference, you can sit down for the Linux Essentials Exam with confidence.

An open source operating system, Linux is a UNIX-based platform that is freely updated by developers. The nature of its development means that Linux is a low-cost and secure alternative to other operating systems, and is used in many different IT environments. Passing the Linux Essentials Exam prepares you to apply your knowledge regarding this operating system within the workforce.

  • Access lessons that are organized by task, allowing you to quickly identify the topics you are looking for and navigate the comprehensive information presented by the book
  • Discover the basics of the Linux operating system, including distributions, types of open source applications, freeware, licensing, operations, navigation, and more
  • Explore command functions, including navigating the command line, turning commands into scripts, and more
  • Identify and create user types, users, and groups

Linux Essentials, 2nd Edition is a critical resource for anyone starting a career in IT or anyone new to the Linux operating system.

 

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Contents

Selecting an Operating System
1
Understanding Software Licensing
21
Investigating Linuxs Principles and Philosophy
35
Using Common Linux Programs
47
How This Book Is Organized
48
Creating Scripts This chapter describes how to create simple
55
Selecting an Operating System This chapter provides a birds
70
Managing Hardware
75
Exploring Processes and Process Data
175
Editing Files
193
Creating Scripts
211
Understanding Basic Security
227
Creating Users and Groups
245
Setting Ownership and Permissions
267
complexity in terms of the tasks and systems described The book begins
278
Managing Network Connections
285

Getting to Know the Command Line
99
Editing Files This chapter introduces the topic of editing text
111
Managing Files
127
Searching Extracting and Archiving Data
151
APPENDIX A Answers to Review Questions
307
APPENDIX B LPIs Certification Program
327
Index
331
Copyright

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About the author (2015)

About the Authors
Christine Bresnahan has worked in the IT industry for more than 30 years and is currently an adjunct professor of Python programming and Linux system administration classes at Ivy Tech Community College in Indianapolis. She is coauthor of Linux Bible, 8th Edition, and Linux Command Line and Shell Scripting Bible. Richard Blum has more than 25 years as a network and systems administrator, currently managing Microsoft, Unix, Linux, and Novell servers for a network with more than 3,500 users. He has developed online programming and Linux courses that he teaches to students worldwide.

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