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parent folderA folder that is one level up from the current directory in a file hierarchy. In a DOS, Windows or Mac command line, two dots (..) refer to the preceding folder/directory level. The command cd .. moves the focus back one level. See file hierarchy.
|An Android File Hierarchy|
|Tapping the "Parent folder" icon takes the user back one level in this file manager app in a Cyanogen-based OnePlus One smartphone.|