backup

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Related to Full backup: Differential backup

backup

[′bak‚əp]
(building construction)
That part of a masonry wall behind the exterior facing.
(civil engineering)
Overflow in a drain or piping system, due to stoppage.
(computer science)
Logical or physical facilities to aid the process of restarting a computer system and recovering the information in it following a failure.
The provision of such facilities.
(engineering)
An item under development intended to perform the same general functions that another item also under development performs.
A compressible material used behind a sealant to reduce its depth and to support the sealant against sag or indentation.
(graphic arts)
An image printed on the reverse side of a printed sheet.
The printing of such an image.
(metallurgy)
A support used to balance the upsetting force in the workpieces during flash welding.
(petroleum engineering)
During drilling, the holding of one section of pipe while another is screwed out of it or into it.

backup

1. That part of a masonry wall behind the exterior facing.
2. A compressible material used behind a sealant to reduce its depth and to support the sealant against sag or indentation.
3. Overflow in a drain or piping system, due to stoppage.
4. A condition where waste water flows back into another fixture or compartment or water line (but does not flow back into the potable water system).

backup

(operating system)
("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 commonly refers to a copy of the files on a computer's disks, 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 backup software, differential backup, incremental backup, full backup. Compare archive, source code management.

backup

(1) A duplicate copy of data or of an entire storage drive on a separate storage medium. "Backup" is the noun; "back up" is the verb. See backup software, backup types, backup storage, copy data, backup and restore, disaster recovery and LAN-free backup.

(2) Additional hardware resources ready to take over if the main system fails. See fault tolerant.
References in periodicals archive ?
Historically this has been full backups to tape subsystems.
Incremental backup--A copy of all the files that have changed since the last full backup. When doing an incremental backup, you need to maintain two sets of backups--a full backup, which you might do once every other week, and an incremental, which you could do daily or every other day.
AutoSave can be used to perform a full backup, but this will take up a very large amount of disk space.
The rescue operation was conducted by Iraqi Army's Brigade 72 and with the full backup of popular and Peshmarga forces.
As a word of caution, we recommend ALWAYS taking a full backup of your device before updating the firmware on your iOS device.
Organizations are also able to achieve full backup and recovery much faster because there is less critical data to move.
Remote data backup can provide customers the security of a full backup every day, with a lower impact on the target server and network than a traditional incremental backup.
You can restore your system easily and reliably with just a full backup and three diskettes," said Nick Cornacchia, president of Yosemite Technologies.
This was a 400,000 square foot assignment with a 400 person trading operation, prime computer center, full food service facility, executive dining, executive offices and a full backup generator plant with a UPS system.
The system can perform a full backup or custom backup, as well as restore functions.
[] Are you performing a full backup at least once a week?