As early as 1966, with the introduction of the first computerized word-processing system (I.B.M.’s MagneticTape Selectric Typewriter), secretaries were worrying that machines could replace them.
The term may also refer to the storage of data by the transfer processing system on media such as magnetictape or disk such that the user may not have direct and immediate access to the data.
该术语也可指转帐处理系统将数据存储于如磁带、磁盘等介质上，使得用户不能直接和立即访问数据。
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The magnetictape file system is used for the storage and searching of earthquake catalogues, phase data and station informations.