O : Sort by any top output column M : Sort by Memory usage R : Reverse order K : Kill a task with PID r : Renice a process 1 : Display All CPUs/Cores d : Change refresh rate. : On Demand refresh z or b : HIghlight running processes c : Display Absolute path of command and arguments A : split top output into multiple panels n : Number of processes to be displayed l : show/hide load average. t : show/hide cpu states m : show /hide memory information w : save configuration.

Execute in Batch mode : top -b -n 1

Exit Top command after n iterations : top -n

Display Processes by user : top -u

Display Specific process with PID : top -p