SAR,TOP & AWK

SAR COMMAND DETAILS : http://www.thegeekstuff.com/2011/03/sar-examples/
TOP COMMAND DETAILS : http://www.thegeekstuff.com/2010/01/15-practical-unix-linux-top-command-examples/
AWK COMMAND DETAILS : http://www.thegeekstuff.com/2010/01/awk-introduction-tutorial-7-awk-print-examples/