Nice - thank you. FWIW, Mrk has also published several highly useful articles, among them: http://www.dedoimedo.com/computers/linux-cool-hacks.html http://www.dedoimedo.com/computers/linux-cool-hacks-more.html http://www.dedoimedo.com/computers/linux-cool-hacks-3.html http://www.dedoimedo.com/computers/linux-cool-hacks-4.html http://www.dedoimedo.com/computers/linux-perf.html http://netrunner-mag.com/2015/01/19/sar-to-the-rescue/