I'm not aware of a way to prevent just seeing them with hidden file visibility turned on. However, there's several options to disable per-folder .DS_Store file

I'm not aware of a way to prevent just seeing them with hidden file visibility turned on. However, there's several options to disable per-folder .DS_Store file creation: http://www.chrisnovoa.com/os-x-lion-ds_store-disabling/ http://www.chrisnovoa.com/os-x-lion-ds_store-disabling/