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NmonVersion11b
nmon Version 11b for Linux Screen Shots+
nmon for Linux Online screen shots (slightly older version)
This is the start up screen
Hit c then m then n and you get the CPU memory and Network statistics as below
Hit j then d and you get the Journalling file systems and Disks statistics (hitting D brings up further disk statistics)
On the Power platform hit p and you get the logical partition (LPAR) statistics
Hit r and you get the Resources - as many details as we can find about the operating systems and processor(s)
Hit t and you get Top Processes then hitting 1,2 or 3 brings up other details of the processes