HTML

<!DOCTYPE html>
<html>
<head>
	...
	<link href="themes/prism.css" rel="stylesheet" />
</head>
<body>
	...
	<script src="prism.js"></script>
</body>
</html>

Bash Lcommand-line

cd /usr/local/etc
cp php.ini php.ini.bak
vi php.ini