There are many downloadable free Unix Editing books, available in our collection of books. Which are available in the form of PDF, Online Textbooks, eBooks and lecture notes. These books cover basics, beginner, and advanced concepts and also those who looking for introduction to the same.
These slides concentrate on vi because it is very fast and always
available. Although the set of commands is very cryptic, by learning a small
subset of the commands, you can edit text very quickly.