VIM is an alternative and advanced version of VI editor that enables Syntax highlighting feature in VI. Syntax highlighting means it can show some parts of text in another fonts and colors. VIM doesn’t show the whole file but has some limitations in highlighting particular keywords or text matching a pattern in a file. By default, VIM works on all Linux terminals, but some terminals have minimal highlighting capabilities to run.

 

VIM has another great feature that enables us to Turn Off or Turn On syntax highlighting using option syntax on and syntax off.

 

How to Install VIM

 

Most of the Linux system already included VIM package, if not then install it using YUM tool.

# yum -y install vim-enhanced

 

How to Enable Syntax Highlighting in VI and VIM

 

To enable Syntax Highlighting feature in VI editor, open the file called /etc/profile.

# vi /etc/profile

 

Add the alias function to VI by pointing to VIM in /etc/profile file. This file is used to set alias functions globally.

alias vi=vim

 

If you would like to set user-specific aliases and functions, then you need to open the file .bashrc under user directory.

# vi /home/rootadminz/.bashrc

 

Add the alias function. For example, we set alias for rootadminz user.

alias vi=vim

 

After making changes to file you need to reset the changes by executing following command.

# source /etc/profile
OR
# source /home/rootadminz/.bashrc

 

Test Syntax Highlighting in Vi Editor

 

Open any example code of file with vi editor. By default Syntax, Highlighting is automatically turned on in /etc/vimrc file.

 

Turn On or Turn Off Syntax Highlighting in VI

 

You can Turn On or Turn Off syntax highlighting by pressing ESC  button and use the command as syntax on and syntax off in Vi editor.

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