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The bomb symbol is not used in Mac OS X, but a test application called Bomb.app, specifically written to cause a non-fatal crash, is included with Xcode and uses a rendition of the bomb symbol as its icon. In the original Mac OS, the system call to display a "bomb box" was called DSError, for "Deep Shit". [1]
The operating system uses an encrypted sparse disk image (a large single file) to present a volume for the home directory. Mac OS X 10.5 Leopard and Mac OS X 10.6 Snow Leopard use more modern sparse bundle disk images [2] which spread the data over 8 MB files (called bands) within a bundle. Apple refers to this original iteration of FileVault ...
Mac OS X Leopard added the ability to create, resize, and delete disk partitions without erasing them, a feature known as live partitioning. In OS X El Capitan , Disk Utility has a different user interface and lost the abilities to repair permissions due to obsolescence , [ 6 ] create and manage disks formatted as RAID , burn discs, and multi ...
The key used for disk encryption is sealed (encrypted) by the TPM chip and will only be released to the OS loader code if the early boot files appear to be unmodified. The pre-OS components of BitLocker achieve this by implementing a Static Root of Trust Measurement—a methodology specified by the Trusted Computing Group (TCG).
The most common data recovery scenarios involve an operating system failure, malfunction of a storage device, logical failure of storage devices, accidental damage or deletion, etc. (typically, on a single-drive, single-partition, single-OS system), in which case the ultimate goal is simply to copy all important files from the damaged media to another new drive.
Time Machine is the backup mechanism of macOS, the desktop operating system developed by Apple.The software is designed to work with both local storage devices and network-attached disks, and is commonly used with external disk drives connected using either USB or Thunderbolt.
Deep Scan in Disk Drill for Mac is catching up with its Windows sibling Introducing more ways to manage, filter, group and sort through the found data Entire disk scans may now produce additional recoverable file trees under the new “Lost data structures” group in the scanning results
Compared to access controls commonly enforced by an operating system (OS), encryption passively protects data confidentiality even when the OS is not active, for example, if data is read directly from the hardware or by a different OS. In addition, crypto-shredding suppresses the need to erase the data at the end of the disk's lifecycle.