22:16 What Is Version Control?
Version Control System
Version control tracks changes to code over time, enabling collaboration, history, branching, and reverting. Git is the dominant version control system — used by virtually every professional developer. GitHub, GitLab, and Bitbucket host Git repositories and add collaboration features.
How Version Control Works
Without version control: final_v2_FIXED_REAL_FINAL.zip. With Git: every change is a commit with a message, author, and timestamp. Branch to work on features without affecting main. Merge when ready. Revert if something breaks. Multiple developers work on the same codebase simultaneously.
Git enables: feature branches (isolated development), pull requests (code review), CI/CD (automated testing on every push), and bisect (find the commit that introduced a bug). It's foundational to modern development.
Why Developers Use Version Control
Git proficiency is non-negotiable for developers. Learn: commit, branch, merge, pull/push, rebase, and resolving merge conflicts. GitHub is the standard platform for open-source collaboration and many companies' private repositories.
Key Concepts
- Commits — Snapshots of changes with messages — the atomic unit of version history
- Branches — Parallel lines of development — feature branches, release branches, hotfix branches
- Merge/Rebase — Integrate changes from one branch into another — merge creates a merge commit, rebase replays commits
- Pull Requests — Propose changes for review before merging — the standard code review mechanism
- Conflict Resolution — When two branches modify the same code — manually choose which changes to keep
- History — Complete record of every change, who made it, and when — git log, git blame, git bisect
Learn Version Control — Top Videos
22:16 
1:12:07 Git & GitHub Tutorial | Visualized Git Course for Beginner & Professional Developers in 2024 JavaScript Mastery
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36:57 Git and GitHub - 0 Experience to Professional in 1 Tutorial (Part 1) SuperSimpleDev
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11:58:41 🚀🔥 Complete Backend Development in One Day (2025) | Hindi | Notes | GitHub | Free Certification Complete Coding by Prashant Sir
515.4K views · 10.7K likes · 11 months ago
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Frequently Asked Questions
Git vs GitHub?
Git is the version control tool (runs locally). GitHub is a platform for hosting Git repositories with collaboration features (pull requests, issues, Actions). GitLab and Bitbucket are alternatives.
Do I need to know Git for web development?
Yes. Every professional development team uses Git. It's as fundamental as knowing your programming language.
Want a structured learning path?
Plan a Version Control Lesson →