Remove the DIRECTORY(ies), if they are empty.

--ignore-fail-on-non-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

--version

output version information and exit

info rmdir

should give you access to the complete manual.