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Understanding DoubleSpace

Beginning with DOS 6.0, Microsoft decided to include a disk-compression program called DoubleSpace. The decision to include it was apparently prompted by the popularity and success of third-party disk compression programs such as Stacker. Microsoft refined and improved DoubleSpace in DOS 6.2.

DoubleSpace enables DOS to compress data automatically when you store the data on disk and to uncompress the data when you use it. DoubleSpace works transparently; you have no indication that the program is compressing your files, except that your disk can hold more data than before. You can select which drives use compression and which do not. You might decide, for example, to compress drive C, but not drive D, which contains OS/2.


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