21-byte virus? (curiosity)

foghollow wrote:
> In article <13og64u9l96nla1.TakeThisOut@corp.supernews.com>,
> Buzzard.TakeThisOut@domain.invalid.net says...
>
>>I do know that a small *batch* file can copy itself,
>>because I sicced on on my annoying roomate back in
>>1985 (no harddrives back in those days, just 2 floppy)
>
> Hell, we did stuff along those lines on mainframes.

Back in the olden days...?

If someone had told me in '85 that within 20 years there
would be thousands of different variants of computer
viruses wreaking untold havoc worldwide, I would not have
believed them.