Top 50 Git Interview Questions You Must Know in 2026 (Beginner to Advanced Guide)
Git is one of the most essential tools for modern software development, and interviewers expect candidates to have both theoretical and practical Git knowledge.
This guide covers the 50 most frequently asked Git interview questions, categorized into Beginner, Intermediate, and Advanced levels.
Along with answers, you’ll find real-world insights, pro tips, and common mistakes to help you stand out in technical interviews and real projects.
Why Git Skills Matter More Than Ever
In 2026, Git is no longer just a version control system—it’s a collaboration backbone for DevOps, cloud-native development, and CI/CD pipelines. Recruiters test Git knowledge to assess:
- Team collaboration skills
- Code management discipline
- Problem-solving under real-world constraints
Mastering Git concepts gives you a career-long advantage.
Beginner-Level Git Interview Questions (1–20)
1. What is Git?
Git is a distributed version control system used to track code changes, manage versions, and collaborate with teams efficiently.
2. What is a repository in Git?
A repository (repo) is a storage location that contains:
- Project files
- Commit history
- Branch information
3. Difference between Git and GitHub
- Git: Version control tool
- GitHub: Cloud-based platform for hosting Git repositories
4. What is a commit?
A commit is a snapshot of changes saved in the repository with a unique hash ID.
5. What is a branch?
A branch allows parallel development without affecting the main codebase.
6. What is the default branch in Git?
Traditionally master, now commonly main.
7. What is git clone used for?
Creates a local copy of a remote repository.
8. What is git status?
Shows the current state of the working directory and staging area.
9. What is the staging area?
An intermediate area where changes are reviewed before committing.
10. What is git add?
Moves changes from working directory to staging area.
11. What is git commit -m?
Commits staged changes with a message.
12. What is git log?
Displays commit history.
13. What is .gitignore?
Specifies files and folders Git should ignore.
14. What is a remote repository?
A version of the project hosted online (e.g., GitHub).
15. What is git pull?
Fetches and merges changes from a remote repository.
16. What is git push?
Uploads local commits to a remote repository.
17. What is a merge conflict?
Occurs when Git cannot automatically resolve differences between branches.
18. What is HEAD in Git?
Points to the current branch or commit.
19. What is git diff?
Shows differences between commits or files.
20. What is version control?
A system that tracks changes to files over time.
Intermediate-Level Git Interview Questions (21–35)
21. Difference between git pull and git fetch
fetch: Downloads changes without mergingpull: Fetch + merge
22. What is rebasing in Git?
Rebasing moves commits to a new base, creating a cleaner history.
23. What is git stash?
Temporarily saves uncommitted changes.
24. When should you use merge vs rebase?
- Merge: Team collaboration
- Rebase: Clean, linear history
25. What is a detached HEAD?
HEAD points directly to a commit, not a branch.
26. What is git cherry-pick?
Applies a specific commit from another branch.
27. What is git reset?
Moves HEAD to a specific commit (soft, mixed, hard).
28. Difference between git reset and git revert
reset: Rewrites historyrevert: Creates a new commit to undo changes
29. What is git blame?
Shows who last modified each line of a file.
30. What is git tag?
Marks specific commits (often used for releases).
31. What is a fast-forward merge?
A merge without creating a new commit.
32. What is origin in Git?
Default name of the remote repository.
33. How do you resolve merge conflicts?
Manually edit conflicted files, then commit.
34. What is a fork?
A personal copy of someone else’s repository.
35. What is a pull request?
A request to merge changes into another branch.
Advanced-Level Git Interview Questions (36–50)
36. What is Git internals (objects)?
Git stores data as:
- Blobs
- Trees
- Commits
- Tags
37. What is git reflog?
Tracks changes to HEAD, useful for recovery.
38. How do you undo a pushed commit?
Use git revert or reset with force push (carefully).
39. What is a bare repository?
A repo without a working directory, used on servers.
40. What is git bisect?
Helps find the commit that introduced a bug.
41. What is submodule in Git?
Allows one repository to include another.
42. Difference between lightweight and annotated tags
- Lightweight: Simple pointer
- Annotated: Full metadata
43. How does Git handle file renaming?
Git detects content similarity, not filenames.
44. What is git worktree?
Allows multiple working directories for one repo.
45. How do you squash commits?
Using interactive rebase.
46. What is commit hashing?
SHA-1/SHA-256 ensures data integrity.
47. How to handle large files in Git?
Use Git LFS.
48. What is git archive?
Creates a zip or tar of repository files.
49. How does Git support CI/CD?
Tracks code changes, triggers pipelines.
50. What are Git best practices for teams?
- Small commits
- Meaningful messages
- Branching strategy
Pro Tips
- Write clear and meaningful commit messages
- Use feature branches for every task
- Learn interactive rebase early
- Avoid force push on shared branches
- Use tags for production releases
- Regularly clean branches to reduce clutter
Common Mistakes to Avoid
- Committing directly to the main branch
- Ignoring
.gitignore - Overusing
git reset --hard - Poor commit messages like “fixed bug”
- Force pushing without team awareness
- Not reviewing changes before committing
Tags
- What are the most asked Git interview questions?
- How to prepare Git for interviews?
- Git beginner to advanced interview guide
- Difference between git merge and rebase
- Real-world Git interview questions