"Have you heard the 'news'? There's a new virus that attacks
both Linux and Windows machines. Thus, once and for all, there is
an end to the notion that Linux is somehow immune to the viral
infections that plague the Windows world. Or at least so one
anti-virus software vendor would have the world believe.
"Of course, there are a few caveats behind the headlines. One
minor thing is that the alleged virus--called
Virus.Linux.Bi.a--being trumpeted far and wide by Kaspersky Lab is
not really a virus, but rather 'proof of concept' code, designed to
show that such a virus could be written..."