RMDIR(I) 3/15/72 RMDIR(I)
rmdir - remove directory
rmdir dir ...
Rmdir removes (deletes) directories. The directory must be
empty (except for the standard entries `.' and `..', which
rmdir itself removes). Write permission is required in the
directory in which the directory to be removed appears.
Actually, write permission in the directory's parent is not
Mildly unpleasant consequences can follow removal of your
own or someone else's current directory.