Each program has its own id (PID) `~$ ps` - to see processes r un by other users, like system processes `~$ ps aux` - system statistics `~$ top or htop` (colored) ### Kill a process `~$ kill processPID` - SIGTERM - allow to do some cleanup before killed - SIGKILL - dont allow any cleanup - SIGSTOP - stop/suspend a process ### Getting processes/services to start on boot `~$ systemctl [option] apache2` - systemctl allows us to interact with the systemd process - options: - start, stop, enable(onboot), disable(onboot) ### Background and foregrounding ctrl + z to background a process in terminal `~$ fg` - bring back into foreground links: [[_LinuxTerminalCMDIndex]] tags: #linux #terminal #CMD