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What Is System Activity Reporter (sar)?

Answer»

SAR is a utility to display RESOURCE usage on the UNIX system, such as CPU activity, disk, and memory usage. There are a number of switches or options that can be used with SAR; for example, -a is used for all data and -B is used for buffer activity. THREE of the main FLAGS that can be used with SAR are given as FOLLOWS:

  •  sar -u —Shows CPU activity
  •  sar -w— Shows swapping activity
  •  sar -b —Shows buffer activity

SAR is a utility to display resource usage on the UNIX system, such as CPU activity, disk, and memory usage. There are a number of switches or options that can be used with SAR; for example, -a is used for all data and -b is used for buffer activity. Three of the main flags that can be used with SAR are given as follows:


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