bash-handbook is a concise, practical guide written for people who want to learn Bash scripting and command-line usage without diving into overly academic or exhaustive references. The handbook is written in Markdown and covers fundamentals such as shell basics, variables, control structures, functions, working with files, and common utilities. Its goal is to provide enough knowledge to become productive in Bash, automate tasks, and understand scripts encountered in real projects, without overwhelming the reader. The author originally wrote it to consolidate his own Bash experience and has since open-sourced it, allowing others to read, translate, and contribute. ...