Here are some system statistics that you might find useful!

Display Kernel Statistics with kstat

The kstat command is a handy command for providing kernel statistics to users. For each matching statistic, it reports the instance, module, name fields and actual values. Here are some examples of its use.

#kstat | more

#kstat -p | grep cpu
#kstat -m cpu_info
#kstat -n cpu_stat0
#kstat -s dfree

Do a listing
#kstat -l | more

Display Input and Output (I/O) Statistics with iostat

The input and output (I/O) statistics (iostat) command shows statistics regarding terminal, disk, tape, and CPU activity. I primarily use it in the extended format to monitor CPU and hard disk stats. Here's an example of its use at 3 second intervals.

#iostat 3

#iostat -ctx 3

The virtual memory statistics (vmstat) command shows statistics regarding process, virtual memory, disk, trap, and CPU activity.I primarily use it for CPU stats. Here's an example of its use at 3 second intervals.

#vmstat 3