[dns-operations] note for the peanut gallery Re: underline in TXT's host

[Feng He]

于 2012-12-15 2:37, Fred Morris 写道:
> So therefore let me state that I suggest that the unwary reader SHOULD NOT
> paste this into a shell to find out. I'll spoil the fun and tell you that
> it would delete everything in whatever directory you were in, and all of
> the directories below it.

He is kind enough to not saying `rm -rf /`  :)