To enable Vi and Vim text editor syntax Highlighting on Fedora / CentOS / Red Hat (RHEL)

Vi (Vim minimal) does not have syntax highlighting feature included:

# vi --version
... -syntax ...

Install Vim enhanced package:

# yum install vim-enhanced

Check Vim included features:

# vim --version

http://www.if-not-true-then-false.com/2012/vi-vim-syntax-highlighting-on-fedora-centos-red-hat-rhel/