Embedded operating system by Apple Inc.
Operating system
bridgeOS is an embedded operating system created and developed by Apple Inc. for use exclusively with its hardware. bridgeOS runs on the T series Apple silicon processors[1][2][3] and operates the OLED touchscreen strip called the "Touch Bar"[4] as well as multiple other functions, including managing the encrypted data in their Secure Enclave and acting as a gatekeeper and video codec to the device's cameras.[5] bridgeOS is a heavily modified version of Apple's watchOS.