how to use VI editor

The character search searches within one line to find a character entered after the command. The f and F commands search for a character on the current line only. f searches forwards and F searches backwards and the cursor moves to the position of the found character.

The t and T commands search for a character on the current line only, but for t, the cursor moves to the position before the character, and T searches the line backwards to the position after the character.

These two sets of commands can be repeated using the ; or , command, where ; repeats the last character search command in the same direction, while , repeats the command in the reverse direction.

Settings for VI (and EX)

You can customize the way VI behaves upon start up. There are several edit options which are available using the :set command, these are the VI and EX editor options available on Wiliki: (You can get this list by typing :set all and then return in command mode)

Some of these options have values set with the equals sign '=' in it, while others are either set or not set. (These on or off type of options are called Boolean, and have "no" in front of them to indicate that they are not set.) The options shown here are the options that are set without any customization. Descriptions of some of these are given below, with an abbreviation. For example, the command set autoindent, you can type :set autoindent or :set ai. To unset it, you can type :set noautoindent or :set noai.

autoindent (ai)

This option sets the editor so that lines following an indented line will have the same indentation as the previous line. If you want to back over this indentation, you can type ^D at the very first character position. This ^D works in the insert

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