The fastest, smallest Ubuntu Linux antivirus scanner

When I temporarily needed a laptop recently, my daughter kindly lent me an old laptop that she had replaced. It had Windows XP on it.

When I powered it up, I soon noticed that an antivirus scan was running since the machine hadn’t been used for months.

That scan ran … and ran .. and ran.

Whilst it was running, I realized that it was possible to write a very fast and very small Unbuntu antivirus scanner.

Not only is this scanner small and fast, it is also very portable. It runs on every version of Linux.

Here’s the code to create it and to demonstrate how to run it:

$ cat  < /dev/null > antivirus  # enter the code (none is needed)
$ chmod +x anitivirus  # make the program executable
$ ./antivirus  # run a complete system scan on EVERY disk

This scanner is zero bytes long. No other scanner can run faster, and none is more effective.

That’s because you don’t need an antivirus scanner with Linux.

All the necessary scanning was done by the eyeballs of the programmers who wrote Linux.

Isn’t it nice they saved we Linux users from having to wait … and wait … and wait.


  1. Philip Taylor
    Posted March 1, 2009 at 09:35 | Permalink | Reply

    Of course you might still want to run chkrootkit ( and rkhunter (, since there’s plenty of malicious software written for Linux.

  2. Posted March 1, 2009 at 14:53 | Permalink | Reply


    Thanks for the comment. I’ve never had a problem with malicious software on any of my external sites, including this blog.


  3. Arthur
    Posted March 9, 2009 at 09:25 | Permalink | Reply

    Of course, never thought about that; all these malicious software programmers were on Linux theirselves..

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