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The Top Ten Reasons For Learning Linux, Number 4 Resistance To Viruses

Let's start by mentioning some facts that may be very disconcerting to die-hard Linux and Unix fans. Serious computer viruses appeared first in Unix systems. And what may have been the worst computer virus attack in history occurred on Unix systems about twenty years ago. The good news is that the lessons learned from this attack were integrated into the constantly evolving Unix and Linux systems. Of course, to some extent they have been integrated into protecting Windows systems, and that's also good news.

One reason that Linux surpasses Windows for virus resistance is that Linux is open source. When an attack occurs hundreds or perhaps thousands of techies start working on solutions and post them to the Internet. You won't have to wait for an anti-virus company to come up with something.

What other factors make Linux systems more virus resistant? For a virus to take effect it must be part of a running program. Simply opening an attachment in the Microsoft Windows environment does the trick. The last time (pun intended) I opened an electronic greeting card on my Windows computer I got a nasty virus and it took some time to remove it even with the aid of technical support. Linux systems won't launch the virus unless the user reads the email, saves the attachment, modifies the appropriate permission assigning execution permission to the attachment, and then explicitly executes the attachment. Unless all these steps are performed the virus just remains in quarantine. Of course an educated Linux user could carry out all these steps unleashing the virus but this unhappy state of events doesn't occur often in properly organized systems.

Another limits virus impact in the Linux world. Ordinary Linux users don't have permission to do a lot. Even if they unleashed a virus it wouldn't go very far. Getting beyond the individual computer requires administrative power - the kind held by Root Users in Linux and Administrators in Windows. Regular users of Linux are usually not accorded root permission. In contrast, a newly installed Windows system automatically creates the first user as an Administrator. We call that asking for trouble.

Just think - a regular Windows user has permission to install files that can run amok and destroy lots of good things. It seems that in Windows the operating system, the applications, and the data are inextricably intertwined. As if they were asking for trouble.

I have read that bananas are in danger. It looks like biodiversity is a thing of the past in banana-land or at least in the commercial banana world. So there is some chance that one powerful banana virus will make banana splits a thing of the past. The very diversity of Linux systems offers some protection. And it's a LAMP onto the world as discussed in the next two articles.

Article Source: http://www.newagelivingarticles.com

Once upon a time Levi Reiss wrote ten computer and Internet books either alone or with a co-author. The books are over, at least for the time being, replaced by a multitude of websites, including global wine, Italian wine, Italian travel (www.travelitalytravel.com ), and health and nutritional aspects of wine. He has taught various and sundry computer courses including Linux and Windows operating systems at an Ontario French-language community college for decades. His new website www.linux4windows.com teaches you how to download and run Damn Small Linux even on that outdated Windows computer which has been gathering dust in the basement.

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