| 摘要 |
A disc, such as a floppy disc, a compact disc, or either of the compact disc or the hard disc is divided into a number of areas formed by tracks and sectors. Some of the areas are unformatted and unused. An actuating or driving program is used to actuate a recording head to process and record the areas of the disc, particularly the unformatted or unused areas of the disc. The actuating program typically is introduced directly into a memory of the hard disc or of the computer, or if may be stored in an independent working station.
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