"rm -rf" blowing you foot off is a Unix Right of Passage(tm). You will do it at least once in your career. If you're old enough you will do it twice. If you'

"rm -rf" blowing you foot off is a Unix Right of Passage(tm). You will do it at least once in your career. If you're old enough you will do it twice. If you're really old, you get the joy of doing it a third time. The subtlety increases each time because you do learn.