Anti-Virus Scanner

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What Does Anti-Virus Scanner Mean?

An anti-virus scanner is a component of an anti-virus software package that scans a hard drive for viruses and other harmful items. These programs are made for various operating systems, and scanning methods can be manual or automatic.

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Scanners operate in conjunction with other elements of anti-virus software, such as virus containers and other tools. An anti-virus scanner may also be known as a virus scanner.

Techopedia Explains Anti-Virus Scanner

Although many antivirus software products now use a windows-type or iconic interface, many anti-virus scanners are still made in a command-line interface. Most anti-virus scanners examine each individual file in a drive and isolate viruses so that they can be removed from the drive.

The scanner will typically display its actions in a command-line structure within a display window as it scans the drive.

Anti-virus scanners rely on a virus database that needs to be updated over time. As more viruses and malware programs are created, anti-virus software makers incorporate them into their scanners and programs.

Without an updated database, an anti-virus scanner will be much less effective and less likely to successfully quarantine viruses on a drive.

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Margaret Rouse
Technology Expert
Margaret Rouse
Technology Expert

Margaret is an award-winning technical writer and teacher known for her ability to explain complex technical subjects to a non-technical business audience. Over the past twenty years, her IT definitions have been published by Que in an encyclopedia of technology terms and cited in articles by the New York Times, Time Magazine, USA Today, ZDNet, PC Magazine, and Discovery Magazine. She joined Techopedia in 2011. Margaret's idea of a fun day is helping IT and business professionals learn to speak each other’s highly specialized languages.