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     \item   \verb|iostat| to test I/O throughput.
 \end{itemize}
 
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+\section{Cloud Computing}
+\textbf{Cloud computing} solves web-scale problems, uses large data centers, typically uses different models of computing, and produces highly-interactive web applications.
+\textbf{Web-scale problems} are typically highly data-intensive and may also be processing intensive.