BlackBerry Tablet OS - definition
Blackberry Tablet OS is the operating system developed by Blackberry Ltd. Based on QNX neutrino real-time OS. It was designed to run Blackberry WebWorks and Adobe AIR. This operating system is currently available on the Blackberry Playbook computer. People also call it Blackberry Playbook OS. A similar QNX based operating system is the Blackberry OS which was later introduced in all types of BlackBerry smart mobile devices.