rmdir(1) - remove empty directories
Remove the DIRECTORY(ies), if they are empty.

       ignore each failure that is solely because a directory

       is non-empty
-p, --parents
       remove DIRECTORY and its ancestors; e.g., `rmdir -p a/b/c' is similar to `rmdir a/b/c a/b a'
-v, --verbose
       output a diagnostic for every directory processed
--help display this help and exit
       output version information and exit