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.
Turn to page 7-3. Unit Seven Incident Command System 7- 3 INTRODUCTION TO THE INCIDENTCOMMAND SYSTEM (ICS) ICS minimizes communications and coordination problemsand facilitates the protection of life and property by pre-establishing a command structure for any incident.