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Another objective of the present invention is to provide a method for privatizing computer files wherein an older version does not overwrite a newer copy unless specifically requested.

Still yet, another objective of the present invention is to provide a computer readable medium containing instruction for controlling a computer system to perform a method, where the method comprises the steps of providing a plurality of original data files, providing a plurality of fragment storage structures, providing a plurality of composite files, providing at least two locations for storing the plurality of composite files, fragmenting the original data files into fragments, reading each of the fragments from the plurality of original data files, writing each of the fragments into one of the plurality of fragment storage structures, forming interspersed fragments, filling the fragment storage structures with fragments, and writing the interspersed fragments to the composite files.

Another objective of the present invention is to provide a method for privatizing computer files that is economical in price and light in its demands on computer resources.

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