Possible Duplicate:
Do I need to have 'antivirus software' installed?
Yesterday in a certain web site I found that there are so many antivirus programs available for ubuntu.
http://www.makeuseof.com/tag/free-linux-antivirus-programs/
My question is .... Is it necessary to install an antivirus software in ubuntu because I have heard that ubuntu it self is highly protected against threats and Linux OSs don't subject to viruses at all.
