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The Ultimate Linux Shell Scripting Guide

The Ultimate Linux Shell Scripting Guide

By : Donald A. Tevault
4.8 (5)
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The Ultimate Linux Shell Scripting Guide

The Ultimate Linux Shell Scripting Guide

4.8 (5)
By: Donald A. Tevault

Overview of this book

Embark on a comprehensive journey through command shells with this hands-on manual. While Bash is a Linux staple, Z shell and PowerShell are rising stars, applicable to Linux, macOS, and Unix. Progress seamlessly through chapters, each building on the last, creating a solid foundation. Learn through a unique approach: concepts, examples, and interactive labs. These labs, nearly a hundred strong, form the core of experiential learning, essential for script creation. Focusing on Linux commands and their scripting applications, this manual is universally relevant across Linux and select Unix-like systems. It goes beyond theory, offering practical scripts for real-world Linux administration. Scripts are designed for manageability, aiding learning and troubleshooting. The goal is to nurture the ability to craft intelligent, functional shell scripts. While centered on Bash, this book offers a peek into the future with Z Shell and PowerShell, expanding your skills and adaptability. This book is systematically structured and engaging so that it will guide you to master command shells, equipping you for real-world Linux challenges.
Table of Contents (26 chapters)
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24
Other Books You May Enjoy
25
Index

Questions

  1. Which two of the following methods would you use to create a function? (Choose two.)
    1. function function_name()
    2. function_name()
    3. declare -f function_name
    4. declare -F function_name
  2. You want to create a function that will pass the value of a variable back to the main program. Which of the following should you use to do that?
    1. A global variable
    2. A local variable
    3. A return statement
    4. A continue statement
  3. You want to create a function that any user can use in his or her own scripts. What is the best way to do that?
    1. Create a function library file in a central location, and make it executable.
    2. Add the new functions to the /etc/bashrc file.
    3. Create a function library file in a central location, but don’t make it executable.
    4. D. Create a function library file in your own home directory.
  4. Which...

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