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back-up

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back-up

In computing, a copy file that is transferred to another medium, usually a CD-ROM, DVD or memory stick. The purpose of this is to have available a copy of a file that can be restored in case of a fault in the system or the file itself. Back-up files are also created by many applications (with the extension .BAC or .BAK); a version is therefore available of the original file before it was modified by the current application.
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? Mentioned in ? References in periodicals archive
 
A number of building managers and companies have approached Nortronics to install a battery back-up system for their intercom and security systems.
Keeping your lights on in emergency by Gonzalez, Maria F. / Real Estate Weekly
We have been using the SafetyVAULT[TM] Solution since October 2006 and are enjoying unattended off site back-up of our entire network for our six offices.
Network Backup and Recovery Solution Retains and Secures Data Locally ... by Business Wire
Figure 3 Back-Up Devices Used by Frequency of Backup
Gain an Insight into the Digital Storage Needs of Consumers & Home ... by Business Wire
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