What is the correct way to add multiple files to the staging area?

How do you retrieve changes from a remote repo?

To limit the "git diff" comparison to the file foo.txt, use:

You want to revert 'notes.txt' to the version in the most recent commit.

What feature really makes GIT stand apart from nearly every other SCM

Which command will restore the current branch and working copy to the exact state it was at before the most recent commit?

Which statement is true of the git push command?

You stashed three sets of changes but cannot remember the contents of the first stash entry. What command would you use to see the details of the changes in the first of the three stash entries?

What is the difference between git branch -d and git branch -D?

You would like to restore some previously stashed work to a new branch. How can you do that?

Your current repository has three branches: master, beta, and push-notifications. You have just finished the notification feature and commit the changes to the push-notification branch, and you want to include them in the beta branch. How can you accomplish this?