What is backup?


In information technology, a backup, or the process of backing up, refers to the copying and archiving of computer data so it may be used to restore the original after a data loss event. The verb form is to back up in two words, whereas the noun is backup.

Read more about Backup.

Some articles on backup:

Backup - Law - Events
... ran into the burning building to rescue backup tapes because they didn't have off-site copies ... has documented 16 instances of stolen or lost backup tapes (among major organizations) in 2005 2006 ... was subsequently discovered that the last serviceable backup set was from 15 December 2007 ...
LAN-free Backup
... A LAN-free backup is a backup of server data to a shared, central storage device without sending the data over the local area network (LAN) ... Note that trivial backup to a dedicated, unshared storage device (such as local tape drive) does not meet the definition ...
SOS Online Backup - See Also
... List of online backup services Comparison of online backup services Remote backup service List of backup software ...

More definitions of "backup":

  • (noun): An accumulation caused by clogging or a stoppage.
    Example: "A traffic backup on the main street"; "he discovered a backup in the toilet"
  • (noun): (computer science) a copy of a file or directory on a separate storage device.
    Example: "He made a backup in case the original was accidentally damaged or erased"
    Synonyms: computer backup