The use of the VI editor for Linux

Today, let's take a look at the use of the VI editor, the VI editor is primarily used to edit configuration files in a Linux environment.

First, how to use:

1. Enter command vi filename, open file, in a viewing mode

2. Click on Keyboard i to enter insert mode;

3. Modify or enter the content;

4. Press ESC to exit edit mode;

5. Press "Shift" plus "colon", enter Wq, save exit; Q, exit directly; q!, Force exit.

Second, vi editor search

1./string: Search up from the current cursor position

？ String: Search down from the current cursor position

2. Find Next: Press "N".

Third, vi Editor add line number (in Ubuntu, for example, other environments may not be the same)

1. Enter the catalogue/etc/vim;

2. Edit the configuration file VIMRC (vi VIMRC);

3. Add a line of content "set Nu" to save the exit.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~!!!!! ~~~~~~~~~~~~~~~~~~

Jump to the specified line number and enter directly: N (n = line number to jump)

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Iv. vi Editor Replacement text function ~~~~~~~~~~~~~ later

The use of the VI editor for Linux