Massive online leak reveals iPhone’s deepest secrets

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iPhone boot up
"The biggest leak in history."
Photo: Ste Smith/Cult of Mac

Source code for a core component of the iPhone’s software has appeared online in what is described as “the biggest leak in history.”

iBoot, a part of iOS that ensures the device is booting a trusted operating system, was posted to GitHub anonymously. The code could be used by hackers to find vulnerabilities in Apple’s software. The company has already filed a copyright take-down request to have it removed.

Get Rid Of The Mac Startup Chime [OS X Tips]

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chime1

Macs are distinctive among the computing fraternity in the melodious chime they make while booting. While PCs that do nothing more than beep might look on enviously, the fact is that the chime isn’t always welcome—boot your MacBook in a library, for example, and several annoyed faces will willingly hand out censure.

Here’s how to turn off the chime. These instructions are created for OS X Lion but should work with older versions of OS X.