nmon - 16i+debian-2 main

nmon is a systems administrator, tuner, benchmark tool.
It can display the CPU, memory, network, disks (mini graphs or numbers),
file systems, NFS, top processes, resources (Linux version & processors) and
on Power micro-partition information.
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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.
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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).