Which command is used to monitor input and output statistics?
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iostat
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inoutstat
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iostats
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statistics
Reveal answer
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A
Correct answer
Explanation
iostat (Input/Output statistics) is the standard Unix/Linux command for monitoring disk I/O and system input/output statistics. It reports device utilization, throughput, and service times. The name combines 'io' (input/output) with 'stat' (statistics). The other options are either incorrect command names or too generic - 'statistics' is not a specific Unix command.
AI explanation
The iostat command reports CPU and input/output device statistics, letting you monitor disk read/write throughput and utilization over time. The other listed options are not real standard Unix/Linux commands.