Introduction
The vi (visual) editor is a full-screen editor. This means that you
will be able to position the cursor to the location in the file where
you want to make your changes and additions. The changes that you make
will be reflected on the screen. "vi" will work with many different types
of terminals if you have
set the terminal type
correctly before invoking the editor.
Unlike "emacs", "vi" has two
modes: insert mode (in which you can enter
text into a file) and command mode (in
which you give commands to "vi"). "vi" also lacks the windowing and
full-undo capabilities of "emacs". "vi" is, however, available on
practically every Unix system.
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