Directories and Subdirectories, Continued
Subdirectories or folders are files that have specific purposes or relationships.
Subdirectories can contain anything and may become very large. Use
subdirectories when several people use one computer and need to keep
separate data files. Subdirectories are also used to keep different types of
documents together or to separate files by commands.
Figure 8-20 shows how subdirectories or folders of specific data form a
hierarchal system called a directory tree.
Figure 8-20.Directory trees.
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