data backup

It is important and necessary to backup your files regularly! This means you must copy files from your computer to a storage medium (such as a disk or CD-ROM) as a precaution against something happening to your computer and causing the loss of data. "To backup," as a verb, is the process of storing your data; a "backup," as a noun, is the process of "backing up" or the media you chose to store your backed up files.

See also : data storage  Zip Disk  
NetLingo Classification: Technical Terms