Benefit of nmon

The nmon tool is helpful in presenting all the important performance tuning information on one screen and dynamically updating it. The tool works on any dumb screen, Telnet session, or even dial-up line. In addition, the tool is very efficient. It does not consume many CPU cycles (usually below 2%). On newer machines, CPU usage is well below 1%.

Data is displayed on the screen and updated once every two seconds using a dumb screen. However, you can easily change this interval to a longer or shorter time period. If you display the data on X-Windows, VNC, putty, or similar, and stretch the window, nmon can output a great deal of information all in one place.

The nmon tool can also capture the same data to a text file for later analysis and graphing for reports. The output is in a spreadsheet format (.csv).
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