Bridgeos

bridgeOS
Developer	Apple Inc.
Written in	C; C++; Objective-C; Swift; assembly language;
OS family	Unix-like, iOS
Working state	Current
Source model	Closed, with open-source components
Initial release	October 27, 2016; 7 years ago
Update method	FOTA (via Mac running macOS)
Platforms	T series (2016 MacBook Pro and later);
License	Proprietary software except for open-source components
Support status
	Supported with vulnerabilities (checkra1n)

bridgeOS is an operating system created and developed by Apple Inc. for use exclusively with its hardware.^[1] bridgeOS is powered by the T-Series of Apple silicon^[2] and operates the OLED touchscreen strip called the "Touch Bar"^[3] 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.^[1] bridgeOS is a heavily modified version of Apple's watchOS.^[1]

References

↑ ^1.0 ^1.1 ^1.2 "bridgeOS" (in en-US). 2020-07-25. https://techelper.io/bridgeos/.
↑ Macintosh, Author Mr (2020-04-17). "10.15.4 Supplemental Update Bricking Small Number of T2 Macs" (in en-US). https://mrmacintosh.com/10-15-4-supplemental-update-bricking-small-number-of-t2-macs/.
↑ Snell, Jason; Macworld | (2020-07-08). "The switch to Apple silicon: Will the Touch Bar survive?" (in en). https://www.macworld.com/article/3565403/the-switch-to-apple-silicon-will-the-touch-bar-survive.html.

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Original source: https://en.wikipedia.org/wiki/BridgeOS. Read more

[:0-1] 1.0 ^1.1 ^1.2 "bridgeOS" (in en-US). 2020-07-25. https://techelper.io/bridgeos/.

[2] Macintosh, Author Mr (2020-04-17). "10.15.4 Supplemental Update Bricking Small Number of T2 Macs" (in en-US). https://mrmacintosh.com/10-15-4-supplemental-update-bricking-small-number-of-t2-macs/.

[3] Snell, Jason; Macworld | (2020-07-08). "The switch to Apple silicon: Will the Touch Bar survive?" (in en). https://www.macworld.com/article/3565403/the-switch-to-apple-silicon-will-the-touch-bar-survive.html.