"Debian GNU/Linux used to have a reputation as the toughest GNU/Linux distribution to install, yet the easiest to maintain. In fact, Debian's package management system has played a huge role in the proliferation of projects based on Debian. Suffice it to say that anyone who can install their own operating system can generally install Debian Etch with little or no trouble. If you've never installed Debian before, it's fairly easy to walk through the default installation without realizing you have options.
"Let's explore the Debian Installer, to find out just what options we do have. Our first stop should be at the Debian Installation Guide. Choose the appropriate version and keep it handy (if possible). When you first boot the Install system, you'll see a prompt (in the case of an x86 NetInstall CD, anyway) right below the Debian logo. Use the F1 key to get a list of optional boot parameters you can enter to modify the installation process..."