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Copying Files

Probably the most common file-related function is copying files from one disk or directory to another, a fundamental job for disk operating systems. MS-DOS provides the internal COPY command for use at the command line. Copying files via the DOS Shell is covered in Chapter 4, “Using the DOS Shell.”

The DOS COPY command enables you to copy files as well as data to and from logical devices. Figure 8.2 diagrams the copy operation used with several possible inputs and two possible outputs. Three of the possible inputs consist of more than one file or logical device. DOS can join two or more inputs into one output in a process called combining. You might never need to use all these inputs and outputs, but they're available.


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