First you need to find the installation file, which has extension \"ipk\". I use \"qpe-terminal_1.5.0-3_arm.ipk\" which I downloaded somewhere from the net.
Easiest to get this on your Zaurus, is to use a memory card. First insert it in your Z, automatically a folder \"Documents/Install_Files\" will be created on it. Then copy the IPK from your PC to that folder (using a cardreader or such device).
Finally on your Z go to the \"settings\" tab, \"add/remove software\", click the package you want to install, press \"install\", then exit the package installer.
An icon \"Terminal\" will be added to your system.
A few tips to get started:
you obviously need to type linux commands, you can find various sources on the net.
In the terminal, you are logged in per default as \"Zaurus\" (type \"whoami\" to see that). Often you need to be \"root\" (or \"superuser\") for more advanced tasks -type \"su\" to login as \"root\". Take \"exit\" to leave, twice to exit from root. Make sure you understand what you are entering, you can screw up a lot if you type the wrong commands.
Good luck, you\'re in for a \"steep learning curve\" as someone put it -I can concur that ;-)