Delete the named directories (not the contents). directories are deleted from the parent directory and must be empty (if not, rm -r can be used instead). See also mkdir.
Print a help message and then exit.
Ignore failure to remove directories that are not empty.
Remove directories and any intervening parent directories that become empty as a result. Useful for removing subdirectory trees.
Verbose mode; print message for each directory as it is processed.
Print version information and then exit.