2️⃣ Git Basics

Before diving deep into Git, let's set up everything correctly and understand the fundamental concepts.

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🔹 Installing Git (Windows, Mac, Linux)

Before using Git, you need to install it on your system.

🖥️ Installing Git on Windows:

1. Download Git from git-scm.com.
2. Run the installer and select default settings.
3. Verify installation: Open Command Prompt and run:

   
   git --version

🍎 Installing Git on macOS:

1. Open Terminal and run:

   
   brew install git

2. Verify installation:

   
   git --version

🐧 Installing Git on Linux (Ubuntu/Debian):

1. Open Terminal and run:

   
   sudo apt update && sudo apt install git
   

2. Verify installation:

   
   git --version
   

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🔹 Configuring Git (User Name, Email, Editor)

Before using Git, set your identity (username & email), as it will be associated with every commit.

git config --global user.name "Your Name"
git config --global user.email "your.email@example.com"

To check your configuration:

git config --list

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🔹 Git Lifecycle (Working Directory → Staging Area → Repository)

Git has a three-stage process for managing files:

1️⃣ Working Directory: Where you create or modify files.
2️⃣ Staging Area: A temporary space where changes are added before committing.
3️⃣ Repository: The final stored version after committing the changes.

🔹 Example Workflow:

git add filename     # Moves file to staging area  
git commit -m "Your commit message"   # Saves the changes permanently  
git push origin main   # Uploads the changes to remote repository  

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🔹 First-Time Git Setup

After installing Git, configure the default editor and enable colored output:

git config --global core.editor "vim"   # Set default editor to Vim
git config --global color.ui auto       # Enable color in Git output

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