Good afternoon!
Have you read the Debian Reference? That's all shell-based.
It can be found here: http://www.debian.org/doc/manuals/reference/reference.en.html#contents
The document at this site has lots of useful info that I'm not (immediately) interested in. I have bokmarked it, though, for future reference. What I'm looking for is a site that simply lists the Debian commands that are available. Rather like those old hideous DOS cheatsheets that used to be around in the early '90s.
Thanks for the link though.Rob