30 November 2023

#GIT

#GIT

Key Concepts


S.No Topic Sub-Topics
1 Introduction to Git What is Git, Centralized vs Distributed VCS, Why Git, Git History, Git Workflow
2 Installing & Configuring Git Install Git, Git config, Username & email config, Basic commands, Git help
3 Understanding Git Architecture Working directory, Staging area, Local repository, Remote repository, Commit structure
4 Basic Git Commands git init, git add, git commit, git status, git log
5 Commit Concepts Commit message style, Atomic commits, Commit history, Amending commit, Signed commits
6 Branches git branch, create branch, delete branch, list branches, checkout branch
7 Branching Strategy Feature branch, Bugfix branch, Release branch, Trunk-based, Git Flow
8 Merging git merge, Fast-forward merge, No-ff merge, Merge conflict, Merge strategy
9 Resolving Conflicts Conflict detection, Conflict resolution, Conflict tools, Abort merge, Manual merge
10 Rebase git rebase, Rebase vs merge, Interactive rebase, Rebase conflicts, Rewriting history
11 Remote Repositories git remote, Adding remote, Fetch vs pull, Push to remote, Remote tracking branches
12 Cloning Projects git clone, Clone depth, Clone with branch, Clone over SSH, Clone fork
13 Stashing Changes git stash, Apply stash, Drop stash, Stash pop, Stash list
14 Git Reset & Restore git reset soft, git reset hard, Reset vs revert, git restore, Undo local changes
15 Tags & Releases git tag, Annotated tags, Lightweight tag, Tag release, Tag push
16 Git Logs & History git log formats, Search history, Graph view, git blame, git reflog
17 Patching & Cherry Picking git cherry-pick, git diff patch, Apply patch, Create patch, Use cases
18 Working with Forks Fork concept, Clone fork, Upstream remote, Sync fork, PR from fork
19 Git Pull Requests What is PR, Code reviews, Approvals, Inline comments, Merge strategy
20 Git Ignore .gitignore basics, Patterns, Global gitignore, Ignore rules, Best practices
21 Submodules git submodule add, update submodule, remove submodule, Version sync, Best practices
22 Advanced Git Commands git bisect, git grep, git clean, git describe, git archive
23 Performance Optimization Shallow clone, Sparse checkout, Large files handling, Git GC, Repo cleanup
24 Git Security SSH keys, Token auth, Signing commits, Sensitive data removal, History rewrite
25 Git for Teams Branch protection, Code reviews, Squash merging, Commit guidelines, Team workflow
26 CI/CD Integration GitHub Actions, GitLab CI, Jenkins pipeline, Trigger builds, Automated tests
27 Git & DevOps Release automation, GitOps concept, Git for IaC, Deployment pipelines, Rollback
28 Git & Containers Docker repos, Versioned images, Docker build CI, Image tag strategy, Git for Helm
29 Real World Projects Team branching, PR templates, Semantic commits, Release workflow, Issue linking
30 Resources & Certification Official documentation, Git tutorials, Advanced Git book, Courses, Practice labs

Interview question

Basic

  1. What is Git?
  2. What is the difference between Git and GitHub?
  3. What is a repository in Git?
  4. What is a distributed version control system?
  5. What is the Git working directory?
  6. What is the staging area (index)?
  7. What is a commit?
  8. What does git init do?
  9. What is git clone?
  10. What does git status show?
  11. What is the purpose of git add?
  12. What is git commit?
  13. Difference between git pull and git fetch?
  14. What is .gitignore?
  15. What is HEAD in Git?
  16. What is the default branch in Git?
  17. What does git log do?
  18. What is git diff?
  19. How do you check the Git version?
  20. What is a remote repository?
  21. What does git push do?
  22. What does git pull do?
  23. What is git rm?
  24. What is git mv?
  25. How do you configure username and email in Git?

Intermediate

  1. What is branching in Git?
  2. Why are Git branches lightweight?
  3. What does git branch do?
  4. What is git checkout?
  5. What is git switch?
  6. Difference between merge and rebase?
  7. What is a fast-forward merge?
  8. What is a merge conflict?
  9. How do you resolve merge conflicts?
  10. What is git stash?
  11. Difference between git stash pop and git stash apply?
  12. What is git reset?
  13. Difference between soft, mixed, and hard reset?
  14. What is git revert?
  15. Difference between revert and reset?
  16. What is git cherry-pick?
  17. What is tagging in Git?
  18. Difference between lightweight and annotated tags?
  19. What does git show do?
  20. What is git blame?
  21. What is git reflog?
  22. How do you rename a Git branch?
  23. How do you delete a branch locally and remotely?
  24. What is git clean?
  25. What is detached HEAD state?

Advanced

  1. Explain Git internal architecture.
  2. What are Git objects?
  3. Difference between blob, tree, commit, and tag objects?
  4. What is SHA-1 in Git?
  5. What is interactive rebase?
  6. Explain git rebase -i.
  7. What is squashing commits?
  8. What is git bisect?
  9. How does Git detect file renames?
  10. What is git submodule?
  11. Difference between submodule and subtree?
  12. What is a shallow clone?
  13. What does git fetch --prune do?
  14. What is git worktree?
  15. What is patch mode in Git?
  16. Difference between git apply and git am?
  17. What is git archive?
  18. What is git fsck?
  19. How do you recover a deleted commit?
  20. What is a commit graph?
  21. What is a bare repository?
  22. How does Git compression work?
  23. What are Git hooks?
  24. Types of Git hooks?
  25. What is a pre-commit hook?

Expert

  1. Explain Git pack files.
  2. How does Git optimize storage?
  3. Explain three-way merge in detail.
  4. How does Git detect file changes internally?
  5. What happens internally during git commit?
  6. What happens internally during git clone?
  7. How does Git handle large binary files?
  8. What is Git LFS?
  9. Monorepo vs multirepo ? comparison.
  10. How do you enforce commit message standards?
  11. How do you secure Git repositories?
  12. Explain Git branching strategies.
  13. What is GitFlow?
  14. What is Trunk-Based Development?
  15. How does Git integrate with CI/CD pipelines?
  16. How do you handle hotfixes in Git?
  17. What is fork-based workflow?
  18. How do you reduce merge conflicts in large teams?
  19. Git vs Mercurial ? key differences.
  20. Common Git performance issues?
  21. How do you audit Git history?
  22. How do you remove sensitive data from Git history?
  23. Explain git filter-branch.
  24. Explain git filter-repo.
  25. Design a Git workflow for a large enterprise project.

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