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backup

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backup

(1) "Backup" is the noun; "back up" is the verb. (2) A duplicate copy of data or of the entire hard drive on a separate storage medium. See backup software, backup types, backup storage, backup...

Dictionary

Definition: backup

(1) "Backup" is the noun; "back up" is the verb.

(2) A duplicate copy of data or of the entire hard drive on a separate storage medium. See backup software, backup types, backup storage, backup and restore, disaster recovery and LAN free backup.

(3) Additional hardware resources ready to take over if the main system fails. See fault tolerant.



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