It's required in POSIX 1003.1-2013 that rm refuse to remove the root directory[0]. [0] http://pubs.opengroup.org/onlinepubs/9699919799/utilities/rm.html http:/

It's required in POSIX 1003.1-2013 that rm refuse to remove the root directory[0]. [0] http://pubs.opengroup.org/onlinepubs/9699919799/utilities/rm.html http://pubs.opengroup.org/onlinepubs/9699919799/utilities/rm...