An Introduction to Virus and Antivirus
Viruses are usually tiny softwares that installed in your computer with out your will. They can damage important data and applications on your computer. In a network, they can affect all the computers in a network and can cause much greater harm. Viruses are nightmare for network administrators. Network administrators always take necessary measures to protect the network from any type of virus and other worms. Installing antivirus software on all the computers in the network, can provide the most effective protection against viruses. The important features of antivirus software are as follows:
An antivirus program continuously scans all the applications and other programs for any viruses. Whenever avirus is detected, antivirus takes measures to destroy it and secure the system.
Antivirus softwares also provide scanning of a particular hard disk or other drives, whenever a user wants it, or when they are scheduled to do it. The antivirus scans the disks and automatically removes any virus, if detected while scanning.
Generally, the e-mails are the chief responsible of spreading viruses to different parts of the world. The antivirus software scans all the e-mails before opening them and destroys the viruses, if any.
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Since the viruses are continuously developed, an anitivirus program can search for updates that are available, and automatically updates itself.
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