Name a command that is not safe to run while other people are using your repo.
Say you just made a bad commit on your private branch, how can you fix it?
What does git pull do under the covers? How is that different than +git fetch+?
What is a bare repo? How can you convert a working repo into a bare one?
How many bytes does it take to create a new branch?
What do the commit SHA1 sums represent?
What is unique about cloning a repo to a location on the same filesystem?
What is the danger in using git rebase on a public branch?
How can you erase all traces of a bad commit on your private branch?
How can you checkout the state of your current branch 6 commits ago?