Introduction:
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Files are often thought of as permanent data storage (e.g., floppy
diskettes).
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Java even treats the keyboard and screen as files.
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nThis unifying concept carries to other input/output devices,
such as printers and communications ports.
- When a file is stored
on a floppy or hard disk, the file's data may not be in a contiguous
sectors. This is called the Physical
File.