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.
(Learn how and when to remove these template messages) In the United States, the Hospital Incident Command System (HICS) is an incident command system (ICS) designed for hospitals and intended for use in both emergency and non-emergency situations.