About CodeIgniter Basics

[eluser]Phil Sturgeon[/eluser]
[quote author="Dam1an" date="1245436404"]If you're a beginner, you really don't want to be messing about with those particular files[/quote]

For a CodeIgniter beginner but a PHP pro, jumping into those two files is the most useful thing you can do.

Although, a real PHP guru would not need to ask where to look. :-)