Kerr D. Effective Shell. A Practical User's Guide...on the Command Line 2025

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Kerr D. Effective Shell. A Practical User's Guide...on the Command Line 2025

Textbook in PDF format Master the tools. Build the workflow. Own the shell. Effective Shell is the hands-on guide for developers who want to master the command line—not just to get around, but to build a fast, flexible, and portable development environment. This isn’t a tour of shell commands. It’s a blueprint for creating workflows that scale across machines, teams, and projects. You’ll go from keystroke-level efficiency to composing powerful pipelines, writing reliable scripts, and automating common development tasks. Then you’ll take it further: managing your configuration with Git, customizing your shell setup, and working seamlessly across remote sessions using tools like Vim and tmux. By the end, your shell won’t just be a tool; it’ll be an extension of your thinking. You’ll learn how to Find, filter, and reshape data using grep, regular expressions, and shell pipelines Write scripts that automate setup, configuration, and repetitive tasks Create Python-based CLI tools to pull and process structured data Manage your environment with Git and version-controlled dot files Edit quickly with Vim and multitask efficiently using terminal multiplexers Use AI tools to generate commands, debug faster, and enhance automation Rather than prescribing a one-size-fits-all toolkit, Effective Shell teaches you the tools, practices, and strategies to build a shell environment that fits the way you work—efficient, portable, and entirely yours. Whether you’re leveling up from the basics or refining your craft, this book will help you think clearly, automate confidently, and work more effectively in the shell. Introduction PART I: CORE SKILLS Flying on the Command Line Thinking in Pipelines Finding Files and Folders PART II: MANIPULATING TEXT AND STREAMS Regular Expression Essentials Getting to Grips with grep Slicing and Dicing Text Advanced Text Manipulation with sed Building Commands on the Fly PART III: SHELL SCRIPTING Shell Script Fundamentals Using Variables to Store, Read, and Manipulate Data Mastering Conditional Logic Using Loops with Files and Folders Functions, Parameters, and Error Handling Useful Patterns for Shell Scripts PART IV: BUILDING YOUR TOOLKIT Configuring Your Shell Customizing Your Command Prompt Managing Your Dot Files Controlling Changes with Git Managing Remote Git Repositories and Sharing Dot Files PART V: ADVANCED TECHNIQUES Shell Expansion Alternatives to Shell Scripting The Secure Shell The Power of Terminal Editors Mastering the Multiplexer Afterword: Generative AI and the Shell Appendix A: Setup Appendix B: Shell Basics