Learn the text editor we will use to write programs by running the vim tutorial.
You don't have to learn every single command. Just make sure you know the basics -- how to: open a file, add text to the file, delete text from the file, save the file, and quit the editor. Don't spend more than about 20-30 minutes on the tutorial.
Complete just the following sections of vimtutor:
I have created a short VIM Summary to help you remember the most frequently used commands. You may want to print this and bring it with you to class the first couple of weeks.