#!/bin/bash # See all processes running on the system # "head -20" limits the output to the first 20 lines ps -ax | head -20 # process overview summary top -l 1 | head -7 # To display processes sorted by CPU usage (rather than process ID) top -o cpu # Update display every 5-seconds rather than the default of every second, # and sort the results by CPU usage. top -s 5 -o cpu # see the processes that a certain user is running ps -U username # what processes are being run as root ps -ax -U root | head # hit "q" to quit display