Git is the foundation of modern software development. It allows you to keep track of the changes in your software, roll back to the previous updates, keep different branches for different changes and overall effectively develop software with different contributors.

In order to install git on Ubuntu, open the terminal and run:

sudo apt-get update
sudo apt-get install git

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This will install the latest Git version, approved for your Ubuntu version. Now, you need to set yourself up in it as a user. Run these:

git config --global user.name "Your Name"
git config --global user.email "youremail@domain.com"

You can skip the last part — but if you do not set yourself up as a Git user, your contributions will have to be manually edited by the Git admin before they can be approved.