PS AX displays a list of current system processes
PID TTY STAT Time COMMAND
PS auxDisplays a detailed list of current system processes and process users
USER PID%cpu%MEM VSZ RSS TTY STAT START time COMMAND
If the output is too long, the pipe command less
such as PS Ax | Less
To see if a specific process is running, the secondary grep command
For exampleps aux | grep python
Output
PID TTY STAT Time COMMAND
3255 pts/2 T 0:00 grep--color=auto python
3470 pts/20 s+ 0:00 python py16.3.3.tstserv.py
3473 pts/9 s+ 0:00 python py16.3.4.tstcint.py
3478 pts/2 s+ 0:00 grep--color=auto python
The above command returns a list of static system processes, and if you want to view the currently running dynamic list, use the top command
Exit the top command, press Q
Gnome Graphical Interface View
System->administration->system Monitor
This is just like the Windows Process Viewer.
Kill Process:
Kill-9 3437 (PID)
Linux view process and kill process