Git Cheat Sheet:Git is the open-source distributed version control system that facilitates GitHub activities on your laptop or desktop. This cheat sheet summarizes commonly used Git command line instructions for quick reference. Git Exercises:These exercises aim to give you some practice with using the Git version control system. Each exercise comes in two parts: a main task that most, if not all, course attendees should be able to complete in the allocated time, as well as a stretch task for those who complete the main task quickly.