1️⃣ What is Git?
A: Git is a distributed version control system to track changes in source code during development.
2️⃣ What is GitHub?
A: GitHub is a cloud-based platform that hosts Git repositories and supports collaboration, issue tracking, and CI/CD.
3️⃣ Git vs GitHub
- Git: Version control tool (local)
- GitHub: Hosting service for Git repositories (cloud-based)
4️⃣ What is a Repository (Repo)?
A: A storage space where your project’s files and history are saved.
5️⃣ Common Git Commands:
-
git init→ Initialize a repo -
git clone→ Copy a repo -
git add→ Stage changes -
git commit→ Save changes -
git push→ Upload to remote -
git pull→ Fetch and merge from remote -
git status→ Check current state -
git log→ View commit history
6️⃣ What is a Commit?
A: A snapshot of your changes. Each commit has a unique ID (hash) and message.
7️⃣ What is a Branch?
A: A separate line of development. The default branch is usually main or master.
8️⃣ What is Merging?
A: Combining changes from one branch into another.
9️⃣ What is a Pull Request (PR)?
A: A GitHub feature to propose changes, request reviews, and merge code into the main branch.
🔟 What is Forking?
A: Creating a personal copy of someone else’s repo to make changes independently.
1️⃣1️⃣ What is .gitignore?
A: A file that tells Git which files/folders to ignore (e.g., logs, temp files, env variables).
1️⃣2️⃣ What is Staging Area?
A: A space where changes are held before committing.
1️⃣3️⃣ Difference between Merge and Rebase
- Merge: Keeps all history, creates a merge commit
- Rebase: Rewrites history, makes it linear
1️⃣4️⃣ What is Git Workflow?
A: A set of rules like Git Flow, GitHub Flow, etc., for how teams manage branches and releases.
1️⃣5️⃣ How to Resolve Merge Conflicts?
A: Manually edit the conflicted files, mark resolved, then commit the changes.
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