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What is a stream?
In the discussion of
files, we learned that a file is
a sequence of characters stored on a
Unix operating system defines a slightly more general concept:
- A stream is any sequence of characters.
- An input stream
can come from a file, from a keyboard, from a
from any other device (such as a scanner or a network).
- An output stream
can be destined for a file, for a
display, or to any other device (such as a printer
or a network).
Next: What is a process?
See also: What is a Unix command?
Previous: What is a file?
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Last updated: 1995/12/04 19:39:34 UT