Omit directories when preserving times (-O, --omit-dir-times). This means that directories are omitted when modification times are being preserved. Thus, this feature only works in conjunction with --times.
Omitir os directorios ao conservar as horas (- O, -- omit- dir- times). isto significa que os directorios se omiten cando se conservan as horas de modificación. Así, esta funcionalidade só funciona en combinación con -- times.