Monitoring Processor and I/O Activity

When loading data, you can view processor and I/O activity. Different operating systems provide different tools for viewing system performance. For example, the Task Manager in Windows enables you to view processor and memory usage and processes.

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Among the tools available on UNIX are top and vmstat; iostat is the most commonly used utility to monitor I/O activity. You can also use third-party tools to view and analyze system use.