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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 ...
Continuous data protection (CDP), also called continuous backup or real-time backup, refers to backup of computer data by automatically saving a copy of every change made to that data, essentially capturing every version of the data that the user saves. In its true form it allows the user or administrator to restore data to any point in time. [1]
In information technology, a backup, or data backup is a copy of computer data taken and stored elsewhere so that it may be used to restore the original after a data loss event. The verb form, referring to the process of doing so, is " back up ", whereas the noun and adjective form is " backup ". [ 1 ]
FlyBack presents the user with a typical file-manager style view of their file system, but with additional controls allowing the user to go forward or backward in time. It shows to the user files that exist, do not exist or have changed since the last version, and allows them to preview them before deciding to restore or ignore them.
This uses the same type of technology that real-time active virus checkers employ. At this level, logical file operations are captured like file open, write, delete, etc. The kernel driver transmits these commands to another process, generally over a network to a different machine, which will mimic the operations of the source machine.
This is a list of notable backup software that performs data backups. Archivers, transfer protocols, and version control systems are often used for backups but only software focused on backup is listed here. See Comparison of backup software for features.
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A version is saved every five minutes, during any extended periods of idle time, or when the user uses "Save a version," which replaces the former "Save" menu item and takes its Command-S shortcut. Saves are made on snapshots of the document data and occur in a separate thread, so the user is never paused during this process. [ 4 ]