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Using Disk Space Efficiently

Although current disk drives afford each user ample storage for ordinary needs, disk space is finite. Your files count against the total disk space available for anyone's use. UNIX provides tools that let you limit your permanent storage to what you really need.

These tools include the du command, which tells you how much space you're using, the piping utility, which reduces the need for temporary files, and a hierarchical file system, which makes it easy to organize your files.

Another way to use disk space efficiently is to delete all files you don't need.

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