Sar

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Category Linux/Unix Performance measurement tool together with [sa] an [acct]

sar -b 10 -f <location of sa-file>: Show the IO statistics from the sa-file. If the file is omitted the measurement will be real-time
sar -d 10 -f <location of sa-file>: Statistics per block device

sar -u 10 -f <location of sa-file>: CPU statistics

sar -r 10 -f <location of sa-file>: Memory utilization
sar -B 10 -f <location of sa-file>: Paging (swapping) activity
sar -S 10 -f <location of sa-file>: Swap space utilization

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