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Git

The standard version control system for tracking code history.

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Overview

Git tracks every change to a codebase over time, letting multiple people work on the same project without overwriting each other's work, and letting anyone see exactly what changed, when, and why. It's the near-universal standard for version control across the industry.

What it is
A distributed version control system for tracking changes to files over time.
Why it's used
It's the industry-standard way to collaborate on code, review changes, and safely experiment via branches without risking the main codebase.
Where it fits
Used on essentially every real software project, regardless of language or framework -- covered directly in this platform's Git, APIs & SQL course.

Core concepts

  • Commits and history
  • Branches and merging
  • Remotes (push/pull)
  • Pull requests and code review

Example

A feature branch isolates in-progress work from the main codebase -- this exact workflow (branch, commit, push, open a pull request) is how nearly every professional team collaborates on code.

git checkout -b add-login-form
# ...make changes...
git add .
git commit -m "Add login form"
git push origin add-login-form

Common use cases

  • Tracking code history on any software project
  • Collaborating with a team via branches and pull requests

Project ideas

  • Take the Git Branching & Collaboration Workflow guided project

Official references