Linux Command Line and Shell Scripting Bible, 3rd Edition

Talk directly to your system for a faster workflow with automation capability

Linux Command Line and Shell Scripting Bible is your essential Linux guide. With detailed instruction and abundant examples, this book teaches you how to bypass the graphical interface and communicate directly with your computer, saving time and expanding capability. This third edition incorporates thirty pages of new functional examples that are fully updated to align with the latest Linux features. Beginning with command line fundamentals, the book moves into shell scripting and shows you the practical application of commands in automating frequently performed functions. This guide includes useful tutorials, and a desk reference value of numerous examples.

The Linux command line allows you to type specific shell commands directly into the system to manipulate files and query system resources. Command line statements can be combined into short programs called shell scripts, a practice increasing in popularity due to its usefulness in automation. This book is a complete guide providing detailed instruction and expert advice working within this aspect of Linux.

• Write simple script utilities to automate tasks
• Understand the shell, and create shell scripts
• Produce database, e-mail, and web scripts
• Study scripting examples ranging from basic to advanced

Whether used as a tutorial or as a quick reference, this book contains information that every Linux user should know. Why not learn to use the system to its utmost capability? Linux is a robust system with tremendous potential, and Linux Command Line and Shell Scripting Bible opens the door to new possibilities.

Table of Contents

Part I: The Linux Command Line
Chapter 1: Starting with Linux Shells
Chapter 2: Getting to the Shell
Chapter 3: Basic bash Shell Commands
Chapter 4: More bash Shell Commands
Chapter 5: Understanding the Shell
Chapter 6: Using Linux Environment Variables
Chapter 7: Understanding Linux File Permissions
Chapter 8: Managing Filesystems
Chapter 9: Installing Software
Chapter 10: Working with Editors

Part II: Shell Scripting Basics
Chapter 11: Basic Script Building
Chapter 12: Using Structured Commands
Chapter 13: More Structured Commands
Chapter 14: Handling User Input
Chapter 15: Presenting Data
Chapter 16: Script Control

Part III: Advanced Shell Scripting
Chapter 17: Creating Functions
Chapter 18: Writing Scripts for Graphical Desktops
Chapter 19: Introducing sed and gawk
Chapter 20: Regular Expressions
Chapter 21: Advanced sed
Chapter 22: Advanced gawk
Chapter 23: Working with Alternative Shells

Part IV: Creating Practical Scripts
Chapter 24: Writing Simple Script Utilities
Chapter 25: Producing Scripts for Database, Web, and E-Mail
Chapter 26: Creating Fun Little Shell Scripts

Appendix A: Quick Guide to bash Commands
Appendix B: Quick Guide to sed and gawk