Linux Commands Reference - Complete Linux Command Guide
Comprehensive Linux command reference with 150+ commands. Search, filter by category, and view detailed usage examples.
sar
System activity reporter
Syntax
sar [OPTION]... [DELAY [COUNT]]Common Options
-uShow CPU utilization-rShow memory utilization-bShow I/O activity-nShow network stats-dShow disk activity-qShow queue length-wShow context switches-AShow all statisticsCommon Examples
sar -u 2 5CPU usage every 2s, 5 times
sar -rShow memory stats
sar -n DEV 1Network stats every 1s
sar -bShow I/O stats
sar -AShow all activities
sar -d 2 3Disk activity every 2s, 3 times
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