backup

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backup

1 a duplicate computer, data file, equipment, or procedure for use in the event of equipment failure.
2 The act of creating another copy of a file, group of files, or an entire computer hard drive.

backup

Informatics A function that allows users to copy one or more files to a storage pool to protect against data loss. See Incremental backup, Mirroring, Selective backup. Cf Restore.

backup

Anything that serves to replace a function or system that fails.
References in periodicals archive ?
The operation of File History is transparent and doesn't affect the user experience, reliability or performance of Windows in any way.
To use File History, Windows 8 users need to turn it on and select where the backed-up files will be stored.
If users are fine with using the default settings of File History, they don't need to do anything else.
Unlike other Windows and non-Windows backup and restore utilities, File History has been designed to only protect personal files, not the entire contents of a PC.
The File History feature seems to be an amazing addition to the Windows OS, as it adds a new layer of simplicity for data safety.