Backup (disambiguation)

The term backup has several meanings.

In reference to information technology:
- Backup - The concepts behind backing up data to enable recovery from data loss.
- Backup (software), Apple Mac software
- Backup software - The software that performs this function.
- List of backup software - Specific software packages, loosely categorized.
- Backup site - Part of a disaster recovery plan.

In reference to electrical power facilities:
- Battery backup - The use of batteries to continue operation of electrical devices in the absence of utility electric power.
- Backup battery - Similar to above.
- Backup generator - The use of a generator to achieve a similar purpose.

In reference to music:
- Backup band - A band who plays music in support of a lead musician.
- Backing vocalist - One who sings in harmony with a "lead vocalist."
- Back Up (song) - A song by girl group Danity Kane from their debut album Danity Kane.

In reference to motor vehicles:
- Backup camera - A camera on the rear of a vehicle, used while moving backwards.
- Backup accident - A type of car accident.
- Traffic backup - A traffic jam.
- Backing up - Driving a vehicle in reverse gear.

In reference to television:
- Backup (TV series) - A BBC series about a police Operational Support Unit.

In reference to tactics:
- Backup (tactical) - A military or police contingent dispatched to be ready to provide additional support to the primary force in an engagement.
- Backup Gun also referred as BUG or B.U.G. standing for Back Up Gun, an additional gun other than the primary duty gun.

In reference to videogames:
- Backup - A 2009 work of interactive fiction by Gregory Weir.

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