Linux Command Prompt Cheat Sheet
From DVRpedia
Overview
A large amount of working with a hacked TiVo is done via Telnet at the Linux command prompt. It can be frustrating when you can't remember which command you need to type to do what. This page provides a list of common commands.
Common Commands
http://fosswire.com/2007/08/02/unixlinux-command-cheat-sheet/