Apple's HFS+ does not provide for sparse files, but in OS X, the virtual file system layer supports storing them in any supported file system, including HFS+.
苹果的HFS+不提供稀疏文件支持，但在OS X中，虛擬檔案系統层支持在任何受支持文件系统中存储稀疏文件，包括HFS+。