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Meaning of BACKUP

Pronunciation:  'bak`up

 
Matching Terms:  backup file, backup man, backup pumpkin, backus normal form, backus-naur form

Computing Dictionary
 
 Definition: 

(Sometimes "back up" when used as a verb) A spare copy of a file, file system or other resource for use in the event of failure or loss of the original.

The term is most commonly used to refer to a copy of all the files on a computer's disks which is made periodically and kept on magnetic tape or other removable medium (also called a "dump").

This essential precaution is neglected by most new computer users until the first time they experience a disk crash or accidentally delete the only copy of the file they have been working on for the last six months.

Ideally the backup copies should be kept at a different site or in a fire safe since, though your hardware may be insured against fire, the data on it is almost certainly neither insured nor easily replaced.

See also incremental backup. Compare archive.

 
Thesaurus Terms
 
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