The sar tool is useful for gathering network utilization statistics and recording snapshots of all utilization data to a file over a period of time.
sar工具用于收集一段时间内的网络利用率统计数据，并将所有利用率数据的快照记录到一个文件。
The sar tool is useful for gathering network utilization statistics and recording snapshots of all utilization data to a file over a period of time.
sar工具用于收集一段时间内的网络利用率统计数据，并将所有利用率数据的快照记录到一个文件。
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