1. What is a Git Repository?

What is it?

A Git repository (repo) is a project folder that Git tracks, including the files, commits, branches, and change history.

A repository can be created using:

git init

Or copied from an existing remote repository:

git clone <repository-url>

Simple Flow

Project Folder
     ↓
   git init
     ↓
Git Repository
     ↓
Git tracks changes and history

Key Points

• Repository = Git-tracked project
• Contains source code and version history
• Can have multiple branches and commits
• Can be local or remote

Interview Answer

A Git repository is a project managed by Git. It contains the project files along with their commit history, branches, and other version-control information.

2. Local Repository vs Remote Repository

Simple Flow

Local Repository
      ↓ git push
Remote Repository
      ↓ git pull
Local Repository

Example

git add .
git commit -m "Added login"   # Local repository

git push origin main          # Local → Remote
git pull origin main          # Remote → Local

Interview Answer

A local repository is stored on the developer's machine, where we make commits and manage code locally. A remote repository is hosted on a server such as GitHub or Azure Repos and is mainly used for sharing code and team collaboration.

How to Create a Git Repository?

There are two common ways.

1. Create a Local Repository

Go to your project folder:

cd MyProject
git init

git init creates a new Git repository in the current folder.

Then:

git add .
git commit -m "Initial commit"

Flow:

Project Folder
    ↓
git init
    ↓
git add .
    ↓
git commit
    ↓
Local Git Repository

2. Create from an Existing Remote Repository

If a repository already exists in GitHub or Azure Repos, use:

git clone <repository-url>

Example:

git clone https://github.com/user/MyProject.git

This downloads the project and automatically creates the local Git repository.

Important Difference

git init

→ Start Git for an existing/new local project.

git clone <url>

→ Create a local copy of an existing remote repository.

Interview Answer

We can create a Git repository locally using git init. If a remote repository already exists in GitHub or Azure Repos, we use git clone to create a local copy of that repository along with its Git history.