Master Shell Scripting: Free 70‑Page Handbook & 100 Ready‑to‑Use Scripts

Automation can progress from manual to scripted, automated, and intelligent stages; shell scripts play a key role by encapsulating repetitive tasks and operational expertise.

Shell Script Programming Practical Handbook

The handbook is 70 pages long, organized into nine chapters that cover shell basics, script structure, bash configuration files, flow control, functions, tools, arrays, string handling, and advanced variables, with detailed explanations and illustrations.

Part 1: Programming Basics

Introduces program components, object‑oriented concepts, language classifications, and logical processing methods.

Part 2: Basic Structure of Shell Scripts

Explains the purpose, core structure, how to create the first script, add comments, and perform testing.

Part 3: Bash Configuration Files

Classifies configuration files by scope, login method, and functionality.

Shell Script 100 Examples

The collection contains 100 distinct, copy‑ready scripts that serve as practical exercises and interview preparation material.

Hello World script

Create Linux user with positional parameters

Weekly tar backup of /var/log

One‑click LNMP deployment

Real‑time memory and disk monitoring with alert emails

Apache request statistics between specific times

Remote IP analysis for Apache access

Print a chessboard

Count login accounts on the system

Count files in /var/log and list names

Automatically add interpreter line to scripts

Signal handling to prevent Ctrl+C termination

One‑click memcached deployment

One‑click VNC server setup (no password)

Disable SELinux

Show VM disk and CPU usage

Print various time formats

Additional examples cover tasks such as monitoring resources, generating greetings based on system time, reading user input, and more.

Instructions for obtaining the handbook and script collection are provided at the end of the article.