@Jerry: Settings and commands, and even more so settings and cheats (jjnext being more of a command in itself) are very different.
Settings are things like the low detail on -setting, hardware acceleration etc and how the game works (settings that make the game what it is).
The first can be accessed either from the "Options" in the main menu of the game, or if you have the game in windowed mode, you can find those in the gray bar below the title-bar.
The other 'settings' are stuff like the .ini file and other such files that directly affect the game.