The official teaching hub for the GitHub Foundations (GH-900) course by Certy.
Pass the exam and build real GitHub confidence. Do not just memorise GitHub. Use it.
This repository holds the notes, exam mapping, cheat sheets, lab walkthroughs, the capstone brief, and the YouTube roadmap that sit behind the Certy course and our video series. The hands-on practice lives in two companion repositories.
| Repository | What it is for |
|---|---|
| certy-gh900-course-content (this repo) | Teaching notes, exam map, cheat sheets, capstone, instructor resources |
| certy-gh900-student-lab-template | A template you copy with Use this template to do the eight hands-on tasks |
| certy-gh900-collaboration-sandbox | A shared repo for real fork, pull request, and review practice |
- Take the free GH-900 course and mock exam on Certy: https://certy.pro
- Read the notes here and watch the videos (see video-roadmap.md).
- Do the eight tasks in the student lab template.
- Make a real contribution in the collaboration sandbox.
- Finish with the GitHub Portfolio Challenge.
- exam-objectives.md - the seven GH-900 domains, their weights, and exactly where each is taught and practised.
- video-roadmap.md - the planned video series mapped to domains.
- labs/ - instructor-facing walkthroughs of each domain's hands-on work.
- cheat-sheets/ - quick references for Git, the GitHub CLI, and Markdown.
- practice-questions/ - how practice and the mock exam work.
- glossary/ - key terms in plain English.
- challenge-project/ - the capstone brief and submission.
- templates/ - reusable issue, pull request, and profile README templates.
- solutions/ - reference outcomes for the student tasks (no spoilers in the template).
- resources/ - official study links.
GH-900 is a beginner certification. The mock exam on Certy is weighted like the real thing:
| Domain | Weight |
|---|---|
| 1.0 Understand Git and GitHub basics | 30% |
| 2.0 Work with GitHub repositories | 13% |
| 3.0 Collaborate using GitHub | 13% |
| 4.0 Apply modern development practices | 13% |
| 5.0 Manage projects with GitHub | 8% |
| 6.0 Privacy, security, and administration | 13% |
| 7.0 Explore the GitHub community | 10% |
Code is MIT; learning content is CC-BY-4.0. Learn freely, reuse with credit.