Meaning of BACK UP in English

BACK UP

A Back up is a duplicate copy of some data or a disk or some software that is made by the user as a safeguard against the loss of the original information. Should this happen then the information can be recovered by restoring or copying the information back from the backup.

English glossary of Internet and PC terminology.      Английский глоссарий Интернет и ПК терминологии.