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Viewing Files

After you find a file, you often need to peek into it to find out what it contains. Knowing what a file contains is crucial to knowing how to best work with the file. DOS provides tools to enable you to look into files.

Previously, you learned that DOS stores files on disks in binary format—using zeros and ones. You learned that these binary digits, grouped in bundles of eight, form bytes. You also read that each byte can form one of 256 values called the ASCII code, which represents letters, numbers, computer commands, and so on. That description is fine as far as it goes, but it is a simplistic view that doesn't present the whole picture.


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