Vi
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Vi (pronounced Vee-Eye) is one of the most popular console-based text-editors out there. Vi has been around since the mid 70's, and is well loved by its users. It has a steep learning curve for new users, but experienced users love the ease of use with keyboard shortcuts, etc. The philosophical approach to Vi is that the user's fingers should never leave the keyboard's home-row keys. This allows for your text editing to be a lot quicker and more efficient. Vi is considered the default text-editor for UNIX.
Vi is included with every distribution, so refer to your distribution's CD or website.
Contents |
The Basics
Learning how to use Vi entails a whole guide onto itself, but here are a few basics:
Starting Vi
To start Vi just type vi at your command prompt. After starting Vi, you will notice that the left side of the screen is filled with tildes (~). This shows that the buffer is currently empty. If you want to edit an existing file, include it on the command line when starting. When starting Vi, it defaults to Command mode, so you cannot immediately edit the document. To start editing, press 'i' for Insert mode.
Insert Mode
I begin with a brief description of the insert mode because it is very straight forward. In insert mode the characters you type are inserted into your document. You can use the backspace key to delete any typing mistakes you have made on the current input line. The escape key (<esc>) takes you out of insert mode and back to the command mode. If you are ever in doubt about what mode you are in, just press <esc> a few times until vi starts complaining. You will then know that you are in the command mode.
Command Mode
Command mode is where you do everything that isn't done in insert mode. In command mode the same keys that caused letters to appear on your screen in insert mode now represent totally different functions. Rather than list all the commands here, I will leave that to a future guide. In the meantime, see the external links below.
External Links
Vi Helpfile - Useful resource for commands
