Bash

Bourne Again SHell, the standard shell for Linux and macOS.

When to Use

• Automating system tasks
• CI/CD pipelines
• File manipulation
• Glue code between CLIs

Quick Start

#!/bin/bash

NAME="World"
echo "Hello, $NAME!"

if [ -f "file.txt" ]; then
    echo "File exists"
else
    echo "File not found"
fi

Core Concepts

Variables

No data types. Everything is a string.

count=10
echo $count

Pipes and Redirection