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assuming both exist, the command mv item.1 item.2 will move an entire subdirectory tree only if ___________ a)both item.1 item.
assuming both exist, the command mv item.1 item.2 will move an entire subdirectory tree only if ___________a)both item.1 item.2 are existing subdirectoriesb)special command options are usedc)item.2 is emptyd)item.1 is empty