(v.) In computing the phrase backup means to copy files to a second medium (a disk or tape) as a precaution in case the first medium fails. One of the cardinal rules in using computers is back up your files regularly.
Even the most reliable computer is apt to break down eventually. Many professionals recommend that you make two, or even three, backups of all your files. To be especially safe, you should keep one backup in a different location from the others. You can back up files using operating system commands, or you can buy a special-purpose backup utility. Backup programs often compress the dataso that backups require fewer disks.
Most businesses employ complete backup solutions that provides storage on removable media, data compression, automatic backups to offsite storage and automated scheduling to increase the reliability of the backups.
(1)The act of backing up.
(2) A substitute or alternative. The term backup usually refers to a disk or tape that contains a copy of data.
Stay up to date on the latest developments in Internet terminology with a free weekly newsletter from Webopedia. Join to subscribe now.
Webopedia's student apps roundup will help you to better organize your class schedule and stay on top of assignments and homework. Read More »20 Ways to Shorten a URL
If you need to shorten a long URL try this list of 20 free online redirection services. Read More »Top 10 Tech Terms of 2015
The most popular Webopedia definitions of 2015. Read More »
This Webopedia study guide describes the different parts of a computer system and their relations. Read More »Network Fundamentals Study Guide
Networking fundamentals teaches the building blocks of modern network design. Learn different types of networks, concepts, architecture and... Read More »The Five Generations of Computers
Learn about each of the five generations of computers and major technology developments that have led to the current devices that we use today. Read More »