Practical Bash Scripting On Linux and Mac OSX

Learn Shell scripting by example on Posix compliant system on Linux, MacOS X or any Posix system

Learn shell scripting by example across various platforms, including Linux, Mac OS X, and different Linux distributions such as Fedora, Red Hat, SUSE, CentOS, and more.

Examine each isolated script in detail — break it down into its individual parts, understand the inner workings, and learn how to efficiently combine them into fully functional scripts.

Create scripts from a set of Linux commands and integrate them with useful, real-world applications.

Follow easy-to-understand examples that maintain practicality while keeping each concept clearly isolated for focused learning.

Automate repetitive and mundane tasks with shell scripts.

Build expertise in essential Linux command-line tools such as grep, find, awk, date, chmod, chown, trap, and many more.

Understand system internals and the Linux boot process from the ground up.

Explore detailed, practical examples of how to perform file operations using shell scripts.

Master file redirection — learn how to redirect console output to a file and work with various file descriptors.

Gain a thorough understanding of background and foreground processes, including how to switch between them seamlessly.

Learn how to inspect process details and monitor memory consumption using the top and ps commands.

Understand how to trap and send signals to a shell script — a critical skill for preventing abnormal termination caused by Ctrl+C or other unexpected signals.

Get an overview of inodes and learn how to create symbolic links.

Learn about the case statement in Linux with clear, practical examples.

Master iteration in Linux using for loops, while loops, and discover different approaches to achieve the same results.

Follow detailed explanations with examples on how to read user input and process it effectively.

Learn how to work with arrays efficiently — including how to declare, populate, and represent them.