This document provides an introduction to using Git for version control. It outlines how to install Git on Windows, macOS and Linux systems. It then demonstrates creating a local Git repository and staging and committing an initial change by adding a README file. Key Git commands are explained like init, status, add, commit and log. Resources for learning more about Git and hosting repositories online are also listed.

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2. Agenda
- What is git?
- Install the git command line tool
- Create a local repository
- Stage a change
- Commit the change

3. Git is an open source tool for distributed version control
-

4. Git can also be used with a local repository
-
local

5. Install git
- Windows:
- https://gitforwindows.org
- macOS:
- https://git-scm.com/download/mac
(or)
- brew install git
- Linux:
- RHEL/CentOS: sudo dnf install git
- Ubuntu/Debian: sudo apt-get install git

6. Let’s try a few commands
- git --help
- git help glossary
- git help core-tutorial

7. Create a local repository
- mkdir gitset
- cd gitset
- git init

8. What just happened?
- List the contents of this directory. Notice anything new?
- Try:
- git status
- What does `On branch master` mean?

9. Branches encourage experimentation and collaboration
-

10. Create a file
- Create a README.txt file
- git status

11. Development workflow
-

12. Stage the change
- git add README.txt
- git status
- git diff

13. Development workflow
-

14. Commit the change
- EDITOR=nano
^^^ this step is optional but recommended if you are new
to command line editors.
- git commit
- git status
- git log

15. Resources
- Pro Git Book (free): https://git-scm.com/book/
- GitHub.com (free tier): Unlimited public repositories,
unlimited private repositories (up to 3 collaborators).
- Bitbucket.org (free tier): Unlimited public repositories,
unlimited private repositories (up to 5 collaborator).