Toshiba Linux Utilities:
1. fan: a tool to turn the internal fan on/off.
2. hotkey: to give grafical feedback (under X) to the user while using the "Fn" key to switch:
* Battery Save mode
* Resume/Boot mode
3. svpw: an utility to change the user and the supervisor password.
Here you'll find further information: http://www2.prestel.co.uk/hex/toshiba.html
Please, read the documentation under /usr/doc/packages/tosh_ut If you don't use these tools with care, it's possible to lock the system completely!