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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.
[1] [2] [3] Note for example Windows XP's capability to restore operating-system settings from a past date (for instance, before data corruption occurred). Time Machine for Mac OS X provides another example of point-in-time recovery.
In the new version of Time Machine, encryption appears to be required (instead of merely optional) for local disks, but it remains elective for networked volumes. [26] It is no longer possible to restore the whole system using a Time Machine backup, as the signed system volume is not backed up. [27]
Time Machine (macOS) functions more as a backup utility than a restoration program. [25] It creates incremental snapshots of the system configuration periodically and requires an external storage device for backing up the MacOS. This backup can later be used to restore a previous configuration as and when required. [19]
In 2021, its creator, Mike Bombich, discovered that Apple silicon Macs cannot boot if the internal storage failed, even if booting from an external drive. A minimal version of the Mac OS, residing on the internal storage device, has to verify the integrity of the operating system carried on the backup device before recovery can take place. [6]
the amount of time in which a given set of data will remain available for restore. Some backup products rely on daily copies of data and measure retention in terms of days. Others retain a number of copies of data changes regardless of the amount of time. Site-to-site backup. backup, over the internet, to an offsite location under the user's ...
Time Machine, an automated backup utility which allows the user to restore files that have been deleted or replaced by another version of a file. [29] Though generally lauded in the press as a step forward for data recovery, Time Machine has been criticized in multiple publications for lacking the capabilities of third-party backup software.
Time Machine is a backup mechanism first introduced in Mac OS X 10.5 Leopard. It creates incremental backups of files that can be restored at a later date, and allows the user to restore the whole system or specific files.