Mastering Modern Linux

433 Pages·2018·5.424 MB·English

by  Paul S. Wang

Mastering Modern Linux
Second Edition
Mastering Modern Linux
Second Edition
Paul S. Wang
Kent State University, Kent, Ohio
CRC Press
Taylor & Francis Group
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Boca Raton, FL 33487-2742
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Version Date: 20180420
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Library of Congress Cataloging-in-Publication Data
Names: Wang, Paul S., author.
Title: Mastering modern Linux / Paul S. Wang.
Other titles: Mastering Linux
Description: Second edition. | Boca Raton : Taylor & Francis, CRC Press,
2018. | Revised edition of: Mastering Linux / Paul S. Wang. 2011. |
Includes bibliographical references and index.
Identifiers: LCCN 2018008944| ISBN 9780815380986 (pbk. : alk. paper) | ISBN
9780815381112 (hardback)
Subjects: LCSH: Linux. | Operating systems (Computers)
Classification: LCC QA76.774.L46 W36 2018 | DDC 005.4/46--dc23
LC record available at https://lccn.loc.gov/2018008944

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Contents
Preface
Introduction
CHAPTER 1 ■A Linux Primer
1.1 What Is an Operating System?
1.2 Getting Started: Login and Logout
Desktop Login
Starting a Terminal Window
Remote Login
1.3 Understanding the Shell
Entering Commands
Trying a Few Commands
Correcting Typing Mistakes
Aborting a Command
1.4 Exercise A
1.5 Using Files and Directories
Current Working Directory and Filenames
Handling Files and Directories
Standard Personal Directories
1.6 Protecting Files: Access Control
The Super User
Examining the Permission Settings
Setting Permissions
1.7 Exercise B
1.8 Text Editing
1.9 Getting Hard/Saved Copies
1.10 Communicating with Others
Who’s Who on the System: finger
Email
1.11 Browsing the Web
1.12 Exercise C
1.13 Creating and Running Your Own Program
Compiling
1.14 Exercise D
1.15 Consulting Linux Documentation
1.16 Exercise E
1.17 Rounding Up Useful Commands
1.18 Summary
CHAPTER 2 ■The Desktop Environment
2.1 Desktop Overview
2.2 Desktop Components
2.3 The GNOME 3 Desktop
2.4 Understanding GUI
2.5 Working with the Desktop
Session Control and System Settings
Launching Application Programs
Managing Files
Multiple Workspaces
Desktop Appearance
2.6 Windows
The X Window System
Window Manager
Window Information
2.7 The File Browser
Navigating the File Tree
Opening a File or Folder
Finding Files
Managing Files and Folders
Access Control for Files and Folders
Writing CDs or DVDs
Changing Your Default File Browser
2.8 Terminal Window
Starting a GNOME Terminal
Terminal Window and the Shell
Select, Copy, and Paste
Web and Email Links
2.9 Accessing Help and Documentation
2.10 Summary
2.11 Exercises
CHAPTER 3 ■Interacting with the BASH Shell
3.1 Bash
3.2 Interacting with Bash
3.3 Command-Line Editing and Command Completion
3.4 Bash Command Execution
3.5 Bash Input/Output Redirection
Standard Input and Output
I/O Redirection
Pipes
3.6 Bash Job Control
3.7 Bash Shell Expansions
History Expansion
Alias Expansion
Brace and Tilde Expansions
Variable Expansion
Command Expansion
Process Expansion
Filename Expansion
3.8 Bash Built-in Commands
3.9 Shell Variables
3.10 Environment of a Program
Command Execution Environment
3.11 Examples of Bash Usage
Customized Prompt
Removing Files Safely
Copy, Paste, and I/O Redirection
Displaying Manual Pages
Setting Up Your Personal Web Folder
3.12 Default File Permissions
3.13 Shell Startup and Initialization
3.14 Shell Special Characters and Quoting
Quoting in Bash
3.15 Simple Functions
3.16 For More Information
3.17 Summary
3.18 Exercises
CHAPTER 4 ■Putting Commands and Applications to Use
4.1 Useful GUI Apps
Word Processing
Document Formatting and Typesetting
Drawing and Diagramming
Raster Graphics and Image Processing
File Upload and Download
Password Manager
Cloud Storage
3D Modeling and 3D Printing
Mathematical Calculations
4.2 Commands and Filters
Leading and Trailing Lines: head and tail
Character Translation: tr
Tab Expansion
Folding Text Lines
Calendar Reminders by Email
Sorting Text Lines
4.3 The grep Command
4.4 Regular Expressions
Quoting in Search Patterns
4.5 Patterns for grep
4.6 A Stream Editor: sed
4.7 Building Pipelines
Address Processing
4.8 For More Information
4.9 Summary
4.10 Exercises
CHAPTER 5 ■Writing BASH Scripts
5.1 Invoking Shell Scripts
5.2 A First Shell Script
5.3 Shell Script Execution
5.4 Positional Parameters
5.5 The for Command
5.6 The if Command
5.7 Test Expressions and Exit Status
Exit Status
Test Expressions
5.8 The shift Command
5.9 The case Command
5.10 The while and until Commands
5.11 Numerical Expressions
5.12 The break and continue Commands
5.13 File Queries
5.14 Variables
5.15 Arrays
5.16 Variable Modifiers
5.17 The Here Document
5.18 More on Functions
Function Arguments
Return Value of a Function
5.19 Redefining Bash Built-in Functions
5.20 Example Bash Scripts
Example: Removing Unwanted Files
Example: Conditional Copy
Example: Total File Sizes
Example: Secure File Transfer
Example: Resizing Pictures
5.21 Debugging Shell Scripts
5.22 Error and Interrupt Handling
Interrupt Handling
5.23 The Perl and PHP Alternatives
5.24 For More Information
5.25 Summary
5.26 Exercises
CHAPTER 6 ■The File System
6.1 A File Location Road Map
6.2 File Types
Ordinary Files
Directories
Special Files
Links
Symbolic Links
6.3 More on File Access Control
Meaning of Permissions for a Directory
6.4 File Status
File Mode
File Userid and Groupid
Access Control Enforcement
Setuid and Setgid Modes
Establishing a Group
DAC and MAC