Git from Scratch to Confident Developer
Master Git to work confidently in a team, manage project history effectively, and succeed in technical interviews — from your first commit to pull requests in a real repository.
இந்த படிப்பு யாருக்கானது
Beginner programmers who already code in any language but have never seriously worked with version control systems or have only superficial knowledge of Git and want to structure their knowledge before entering the job market.
தேவைகள்
Basic command line skills: navigating between directories, creating and deleting files. Ability to write simple code in any programming language — the specific language doesn't matter, what's important is that you already have some programming experience.
படிப்பு பாடத்திட்டம்
13 விரிவுரைகள்
Why Git is Essential - And Why It's a Job Requirement
We'll begin not with commands, but with the pain: exploring what development looks like without version control - folders named 'project_final_2', 'project_final_REALLY_FINAL' and the fear of deleting the wrong thing. You'll understand exactly what problem Git solves, why it became the industry standard, and what employers specifically look for when reviewing your GitHub profile.
version control system
change history
distributed architecture
22 நி
பதிவுக்குப் பிறகு
Installation and Setup: Getting Git Ready for First Use
Install Git on Windows, macOS, and Linux, and explore why configuring your name and email isn't just a formality but an integral part of commit history. Set up a user-friendly terminal and several useful aliases to work comfortably from day one, rather than struggling with lengthy commands.
Git installation
git config
global configuration
18 நி
சந்தாவில்
சந்தா பெறுக
First Repository: init, add, commit, and the Magic of the Index
We'll create our first repository and immediately encounter a concept that many struggle with for years - the staging area (index). We'll explore why this 'intermediate layer' between the working directory and history is essential, and through examples, we'll see how the two-step add → commit system results in meaningful, deliberate commits rather than random ones.
repository
staging area
commit
28 நி
சந்தாவில்
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Reading History: log, diff, show and Navigating the Past
Project history isn't just a log—it's documentation of decisions. Learn to read history informatively: filter commits, examine changes between versions, and understand SHA-1 hashes without fear. We'll explore how to distinguish 'good history' from 'garbage history'—this directly impacts how you're perceived in a team.
commit hash
git log
git diff
25 நி
சந்தாவில்
சந்தா பெறுக
Branches: The Parallel Reality of Your Code
Branches are the heart of Git, yet they're where many beginners start to feel overwhelmed. We'll demystify branches by showing that a branch is simply a pointer, not a copy of files. We'll cover how to create branches, switch between them, and merge changes, along with exploring the difference between fast-forward and three-way merges using practical examples.
branch
HEAD
merge
32 நி
சந்தாவில்
சந்தா பெறுக
Undoing Mistakes: restore, reset, revert — Doing It Right and the Dangers
One of the most frequently discussed topics in job interviews and practical work is how to undo what's already been done. We'll examine three tools with different 'depths' of undoing and focus on what matters most: demonstrating specific scenarios where reset --hard can disrupt teamwork, while revert offers a safer alternative. We'll explore good and bad solutions with real-world consequences.
git restore
git reset
git revert
30 நி
சந்தாவில்
சந்தா பெறுக
GitHub and Remote Repositories: Your Code in the Cloud
Making the leap from local to collaborative work: understand what a remote is, how to connect your local repository to GitHub, and the key differences between push, pull, and fetch – the three most commonly confused commands. Special focus on SSH key authentication, as employers expect you to set this up independently.
remote
origin
push / pull / fetch
27 நி
சந்தாவில்
சந்தா பெறுக
Team Collaboration: Forks, Feature Branches, and Pull Requests
This section covers the workflow used by 90% of open-source and corporate teams. We'll go through the complete cycle: fork → feature branch → commits → pull request → code review → merge. We'll specifically examine how to write PR descriptions that give reviewers immediate context, and which common PR mistakes immediately identify a newcomer.
fork
pull request
code review
33 நி
சந்தாவில்
சந்தா பெறுக
Merge Conflicts: Don't Panic - Understanding and Resolving Them
Conflicts can be intimidating for beginners, but after this section, you'll face them with confidence. We'll explore why conflicts occur (Git can't read minds - it doesn't know which change is more important), how to read conflict markers, and how to choose the right solution. We'll demonstrate two approaches: manual resolution and using merge tools.
merge conflict
conflict markers
conflict resolution
28 நி
சந்தாவில்
சந்தா பெறுக
Git Workflows in Real Teams: Choosing the Right Approach
A common interview question is: 'Which Git workflow have you used?' After this section, you'll have a thorough and honest answer. We'll examine three popular approaches — Feature Branch Workflow, Git Flow, and Trunk-Based Development — and explore where each one works well and where it might become a bottleneck.
Feature Branch Workflow
Git Flow
Trunk-Based Development
23 நி
சந்தாவில்
சந்தா பெறுக
Advanced Tools: Rebase, Stash, Cherry-pick and Tags
Moving on to the tools that distinguish a confident Git user from someone who only knows the basics. We'll explore rebase as an alternative to merge - showing when it makes history cleaner and when it turns it into a nightmare. We'll add stash for quickly 'shelving' unfinished work, cherry-pick for precisely transferring commits, and tags for marking releases.
git rebase
git stash
git cherry-pick
35 நி
சந்தாவில்
சந்தா பெறுக
Final Project: Simulating Real Team Development
Apply everything you've learned in a cohesive scenario: you're a developer in a small team that needs to add a new feature, fix a bug, and release an update. We'll walk through the complete cycle step by step: creating a repository, working in branches, pull requests, intentionally created conflicts and their resolution, rebasing to clean up history, and final release tagging. By the end, you'll have a real repository that you can showcase to potential employers.
Complete Git workflow
Team development
Release cycle
35 நி
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சந்தா பெறுக