createdir — Make new directory
createdir('dirname') status = createdir('dirname')
createdir('dirname') creates the directory dirname in the current directory, if dirname is not in the current directory, specify the relative path to the current directory or the full path for dirname.
[status] = createdir('dirname') creates the directory dirname in the existing directory parentdir, returning the status, a message. Here, status is %T for success and %F otherwise.
createdir is used by mkdir.