Master Shell and you’ll master automation, productivity, and system control — skills that companies across industries desperately need.

🕰️ 1. The History of Shell

The Shell is a command-line interpreter that originated in Unix systems in the 1970s. It acted as a bridge between humans and machines.

🔹 Bourne Shell (sh) – Introduced by Stephen Bourne in 1979

🔹 Bash (Bourne Again Shell) – Released in 1989, still dominant today

🔹 Others: Zsh, Fish, Ksh

🎯 2. Purpose of Using Shell

Why should you learn Shell scripting?

• ✅ Automate boring, repetitive tasks
• ✅ Manage servers, users, and file systems
• ✅ Monitor system health and performance
• ✅ Parse, filter, and transform data (logs, CSVs, etc.)
• ✅ Schedule jobs (e.g., using cron)
• ✅ Build and deploy scripts for CI/CD pipelines

It’s all about speed, control, and automation.

🛠️ 3. What You Can Do & Create with Shell

Here’s what you can build using Shell:

• 🛠️ Custom CLI tools