11. Display Virtual Memory Statistics
For an overview of the system’s virtual memory statistics, you can use:
vmstat
12. Check for Disk I/O Statistics
To observe detailed statistics about disk I/O for each physical volume:
iostat
13. View Network Statistics
If you need to gather statistics for all network interfaces:
netstat -i
14. Display Information on Installed Software
To list all installed software, execute:
lslpp -l
15. Check System Error Log
To view the system error log:
errpt
16. Display Default System Kernel Parameters
For an overview of default system kernel parameters:
lsattr -El sys0
17. Find out Current System Run Level
To determine the current run level of the system:
who -r
18. Determine Default Gateway
Check the system’s default gateway with:
netstat -nr | grep default
19. View CPU Statistics
For a comprehensive view of CPU statistics:
mpstat
20. Monitor System Performance
Utilize the following command to monitor overall system performance:
nmon