vmstat - Report virtual memory statistics
syntax: $ vmstat [options][delay [count]]
To run vmstat without options $ vmstat
To Display Active and Inactive System Memory $ vmstat -a
To display about memory, event counters, and CPU scheduling statistics $ vmstat -s
To display number of forks since boot $ vmstat -f
To display Quick Summary Disk Statistics $ vmstat -D
To Display Disk Statistics $ vmstat -d
To Display Partition Statistics $ vmstat -p vda1
To Display Timestamp Information for Updates $ vmstat -t
To use a Delay Value $ vmstat [delay] $ vmstat 4
To use a Count Value $ vmstat [delay[count]] $ vmstat 4 5
To Change Units $ vmstat 3 -S M
To Display Statistics for Slabs $ sudo vmstat -m
regards, T.Dhanasekar