Hello. I'm trying to install NITDroid and I'm stuck..

I'm following these instructions: http://wiki.nitdroid.com/index.php?title=N900-install and have got to:

I couldn't install the kexec tools via Xterminal so I did that via application manager.

1. Download and install Multiboot.

I get the error:

/home/user # wget http://downloads.nitdroid.com/multib..._0.1_armel.deb
/bin/sh: wget: not found

How can I sort this? Sorry, Linux is new to me so I'll need it step by step please. Cheers.