Learn Shell Scripting in 2 Weeks

I've been working on a ??-???????? Shell Scripting ???????????????? ????????, and I'm excited to share ???????????????? on my Medium website!

??Each day covers essential concepts, practical commands, and troubleshooting tips to help you become proficient in it. Whether you're a beginner or looking to refine your skills, this series will boost your Shell Scripting expertise in no time!

With given schedule, I will publish a daily article and subsequently will attach link as well to this list.

Shell Scripting from Basics to Advanced

?? Week 1: Fundamentals of Shell Scripting

1?? Introduction to Shell Scripting

• What is Shell Scripting?
• Different types of Shells (Bash, Zsh, Sh, etc.)
• Basic Linux Commands for Shell Scripting:
• - File and directory management (ls, cd, mkdir, rm, etc.)
• - Viewing and manipulating files (cat, head, tail, cut, grep)
• - Process management (ps, kill, top)

2??Writing Your First Shell Script

• Setting up a shell scripting environment

• Creating and running a script (.sh file)
• Understanding shebang (#!/bin/bash)
• Making scripts executable (chmod +x)

3??Variables and Data Types

• Defining variables
• Environment vs. local variables
• Using read to take user input
• Operators in Shell Scripting
• Arithmetic operators
• Comparison operators
• Logical operators

4?? Conditional Statements and loops

• if, elif, else
• case statement
• for loop
• while loop
• until loop

5?? Functions in Shell Scripts

• Creating and calling functions
• Using parameters in functions

6?? Handling Arguments & Input in Scripts

• $1, $2, $@, $#
• getopts for option parsing

7??Exit Status and Error Handling

• Understanding exit codes
• Using set -e, trap

?? Week 2: File Handling & Advanced Scripting

8?? Working with Files and Directories

• File test operators (-f, -d, -e, etc.)
• Reading from and writing to files
• Redirection & Piping
• > and >> operators
• Using | (pipe) to combine commands

9??Logging and Debugging Scripts

• Using echo and logger
• Debugging with set -x

?? Process Management in Shell

• Running scripts in the background
• nohup and jobs

Scheduling Scripts (Cron Jobs & At Command)

• Creating cron jobs
• Scheduling one-time jobs with at

1??1?? Working with Arrays and Strings

• Declaring and using arrays
• String manipulation (sed, awk, cut)

1??2?? Networking in Shell Scripting

• Using curl and wget
• Checking internet connectivity in scripts

1??3?? Automating Tasks with Shell Scripts

• Creating backup scripts
• Automating log cleanup

1??4?? Integrating Shell Scripts with Other Tools

• Calling Python scripts from Shell
• Using Shell scripts in DevOps (AWS CLI, Docker, Kubernetes)

Building a Real-World Project

• Example 1: Log Monitoring Script
• Example 2: System Health Check Script
• Example 3: Automated Deployment Script

Follow these all articles on Github: https://github.com/AvinashTietler/Shell-Scripting

Also Read:

Learn Linux in 2 Weeks