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Full Description
The latest update to the gold standard in Linux shell scripting guides
In the newly revised fifth edition of Linux Command Line and Shell Scripting Bible, experienced system and network administrator Richard Blum delivers an up-to-date and authoritative discussion of the fundamentals of shell scripting in Linux, as well as the advanced topics, working examples, and real-world applications that equip you to administer Linux systems.
The book includes usable scripts and brand-new coverage for DevOps engineers interested in deploying applications on a variety of Linux distributions and cloud platforms while minimizing compatibility issues. You'll also find:
Concrete strategies and practical tips to help you understand the Linux Shell and write basic script utilities
Step-by-step instructions on how to schedule scripts to run automatically to perform standard Linux administration and DevOps functions for you
Easy-to-follow tutorials of alternative shells, including zsh, tcsh, and the Korn shell
Advanced shell scripting techniques, including functions, sed, gawk, and regular expressions
Perfect for aspiring and practicing Linux system administrators, Linux Command Line and Shell Scripting Bible is also a must-read for anyone who uses a Linux at home or at work.
Contents
Introduction xxxi
Part I: The Linux Command Line 1
Chapter 1: Starting with Linux Shells 3
Chapter 2: Getting to the Shell 17
Chapter 3: Basic Bash Shell Commands 37
Chapter 4: More Bash Shell Commands 69
Chapter 5: Understanding the Shell 93
Chapter 6: Using Linux Environment Variables 113
Chapter 7: Understanding Linux File Permissions 137
Chapter 8: Managing Filesystems 161
Chapter 9: Installing Software 181
Chapter 10: Working with Editors 201
Part II: Shell Scripting Basics 229
Chapter 11: Basic Script Building 231
Chapter 12: Using Structured Commands 257
Chapter 13: More Structured Commands 291
Chapter 14: Handling User Input 319
Chapter 15: Presenting Data 347
Chapter 16: Script Control 369
Part III: Advanced Shell Scripting 397
Chapter 17: Creating Functions 399
Chapter 18: Writing Scripts for Graphical Desktops 421
Chapter 19: Introducing sed and gawk 449
Chapter 20: Regular Expressions 477
Chapter 21: Advanced sed 497
Chapter 22: Advanced gawk 527
Part IV: Working with Alternative Shells 555
Chapter 23: The zsh Shell 557
Chapter 24: The tcsh Shell 583
Chapter 25: The Korn Shell 611
Appendix A: Quick Guide to Bash Commands 633
Appendix B: Quick Guide to sed and gawk 647
Index 659
