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Caching
is a concept that is exploited by
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software
systems as well
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Used
for improving disk input/output
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subsystems
(such as a distributed file system)
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When
reading from a disk read a full buffers
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worth
of data even if the program requests less
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On
the next read, the data may already be
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available
in the buffer
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Used
within application programs themselves
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Web
browser
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Keep
a copy of the most recently activated
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HTML
pages so that if the user goes
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back/forward
the page doesn’t have to be
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retrieved
again
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