A closed beta is a limited release where only those who have been given access can test the software while an open beta or public beta is a free (as in liberty) release that allows anyone to download and try it out.
The Incident Command System (ICS) is a systematic tool used for the command, control, and coordination of an emergency response. ICS allows agencies to work together using common terminology and operating procedures for controlling personnel, facilities, equipment, and communications at a single incident scene.
INTRODUCTION TO THE INCIDENT COMMAND SYSTEM. PURPOSE AND SCOPE. This section will introduce you to and define ICS. The section will provide you with a brief history of ICS and its evolution. into an effective system for emergency management. This section will also introduce the ICS organization and describe each.