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Bash Shell Scripting — The Most Common Commands You Need to Know
Here's a detailed and easy-to-follow blog article on Bash shell scripting — with a focus on commonly used commands for beginners. I've written it in a friendly, clear style, with examples where useful.
What You’ll Learn in This Article
🐚 What is Bash? What is a Shell?
⚡ Why Learn Bash Scripting?
🔑 Most Common Bash Commands You Should Know
1️⃣ echo — Print Text or Variables
2️⃣ pwd — Show Current Directory
3️⃣ cd — Change Director
4️⃣ ls — List Files and Folders
5️⃣ touch — Create a New Empty File
6️⃣ mkdir — Make a New Directory
7️⃣ rm — Remove Files or Folders
8️⃣ cp — Copy Files and Folders
9️⃣ mv — Move or Rename Files and Folders
1️⃣0️⃣ cat — Show File Contents
1️⃣1️⃣ grep — Search Inside Files
1️⃣2️⃣ chmod — Change File Permissions
1️⃣3️⃣ read — Get Input from the User
1️⃣4️⃣ if / else / fi — Basic Conditional
1️⃣5️⃣ for / while loops — Repeat Tasks
Bash Shell Scripting for Beginners: A Quick Introduction
Bash (Bourne Again SHell) is one of the most widely used Unix shells and command language interpreters. If you're starting your journey in automation, DevOps, Linux administration, or even data processing, Bash scripting is an essential skill to learn.
Why Learn Bash Scripting?
- 🔁 Automation – Automate repetitive tasks and save time.
- ⚙️ System Administration – Ideal for managing users, processes, backups, etc.
- 🧰 Tool Building – Create small utilities that work directly with the OS.
- 💻 DevOps & CI/CD – Widely used in deployment scripts and automation pipelines.
- 📂 File Manipulation – Rename, move, archive, and process files easily.
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