🧠 Git & GitHub Knowledge Base – Complete Beginner to Advanced Guide
🧲 Introduction – Why Learn Git & GitHub?
Version control is the backbone of modern software development. Git, a distributed version control system, helps developers track changes, collaborate, and manage code history efficiently. GitHub, a cloud-based hosting platform for Git repositories, adds collaboration features like pull requests, issues, and CI/CD tools.
Whether you’re a solo developer, a student, or part of a large engineering team, mastering Git and GitHub is essential.
📘 Git & GitHub Core Topics
🔹 Git and GitHub Introduction
Understand the basic concepts of Git (local tracking) and GitHub (remote hosting).
🔹 Git Commands List
A categorized list of essential Git commands for daily development tasks.
🔹 Git Install
Step-by-step guide to installing Git on Windows, Linux, and macOS.
🔹 Git Login
Authentication methods: username/password, SSH, and tokens.
🔹 Git Folder (.git Internal Repository)
Explore Git’s internal structure and how version history is managed.
🔹 Git Status
Check the current status of your working directory and staging area.
🔹 Git Add (Staging Area)
Stage changes for the next commit using git add.
🔹 Git Commit
Save changes to the local repository history with git commit.
🔹 Git Connect Local to Remote Repository
Set up remote repositories using git remote add origin.
🔹 Git Push to Remote
Upload your local commits to a central server.
🔹 Git SSH Key Setup
Configure SSH for secure, password-less GitHub access.
🔹 Git Pull
Download and merge changes from a remote repository.
🔹 Git .gitignore
Ignore unwanted files and folders using .gitignore rules.
🔹 Git Log
View commit history with metadata like author, date, and message.
🔹 Git Branch
Work on new features independently using Git branches.
🔹 Git Tag
Mark significant points (e.g., releases) in the project history.
🔹 Git Undo
Undo commits or staging actions without losing data.
🔹 Git Reset
Move HEAD and optionally change the index/working directory.
🔹 Git Revert
Safely undo changes by creating a new commit.
📚 Advanced Git & GitHub Topics
🔢 Git Config – Global and Local Setup
Set your username, email, default editor, and other configurations.
🔢 Git Alias – Custom Shortcuts
Create aliases for long or repetitive Git commands.
🔢 Git Merge vs Rebase – Comparison & Use Cases
Understand the differences between merging and rebasing code.
🔢 Git Cherry-pick – Apply Specific Commits
Apply selected commits from one branch onto another.
🔢 Git Stash – Save Changes Temporarily
Temporarily store uncommitted changes.
🔢 Git Diff – Inspect File Differences
Compare file changes across commits, branches, or the working tree.
🔢 Git Show – View Commit Details
See what a particular commit did.
🔢 Git Blame – Track Changes by Author
View line-by-line authorship in a file.
🔢 Git Fork vs Clone – Differences
Distinguish between forking (GitHub) and cloning a repository.
🔢 GitHub Pull Requests
Collaborate through review and discussion before merging code.
🔢 Git Hooks – Automate Tasks
Trigger custom scripts before/after Git events.
🔢 Git Submodules – Nested Repositories
Manage dependencies within a single Git repo.
🔢 Git LFS – Large File Support
Store binary and large files outside the main repo.
🔢 Git Fetch vs Pull
Fetch updates without merging vs pulling and merging in one step.
🔢 Git Reflog – Recover Lost Commits
Access previous positions of HEAD, even after resets.
🔢 GitHub Personal Access Tokens
Use PATs as a safer alternative to passwords for authentication.
🔢 GitHub Issues, Projects & Discussions
Manage bugs, feature requests, tasks, and community interactions.
🔢 Git Worktree – Multiple Working Directories
Work with multiple branches in separate working directories.
🔢 Git Clean, GC, and Prune – Cleanup Tools
Remove untracked files, run garbage collection, and prune orphaned refs.
✅ Summary — Git & GitHub Knowledge Base
This knowledge base provides a structured way to learn and master Git and GitHub from the ground up. Whether you’re starting out or enhancing your skills, use these topics as your roadmap.
Stay tuned for detailed guides on each item!
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