Porteus Kiosk Edition
http://linux.softpedia.com/get/System/Operating-Systems/Linux-Distributions/Porteus-Kiosk-Edition-93100.shtml#download


Porteus Kiosk Edition is a specialized distribution of Linux that provides users with a locked down computing environment, designed to be deployed on public libraries, Internet Cafes or any other business establishment that provides Internet access to their clients.
Allows users to build their own Kiosk flavors of Porteus Linux

Porteus Linux is known for booting very fast, supporting various languages, allowing users to install, remove or update system packages and applications from a custom Software Center app, as well as for its unique, dependency-resolving package manage