The given syntax for prename is very odd, and e.g. http://man.he.net/man1/prename http://man.he.net/man1/prename has a much more sensible explanation of what th

The given syntax for prename is very odd, and e.g. http://man.he.net/man1/prename http://man.he.net/man1/prename has a much more sensible explanation of what the command does (i.e. remove _bak). The script under "crash test dummy" is hackish and full of race conditions, but that's perhaps acceptable in that case. Leaving webmin and X open to all local users (in the case of webmin, by choosing a bad password) is not a good idea.