The message E1CGdYc-0000FE-8D.2004-10-10-14-16-14@cmailg2.svr.pol.co.uk from "John Woodard" mail@johnwoodard.co.uk contains these words:
Using the default bash shell? A google search for 'list bash commands' comes up with:
http://www.ss64.com/bash/ and http://www.linuxdevcenter.com/linux/cmd/
Thanks. Will go and have a look.