ps is a
psh applet that displays a snapshot of processes and threads in the system. For an updating view or column names please refer to top applet.
-h parameter the help message is displayed as follows:
Usage: ping [options] address Options Usage: ps [options] Displaying: -t Show threads -f Show full command line -h Show help instead Sorting: -c Sort by current CPU usage [default] -n Sort by name -p Sort by PID