The killall command does essentially the same, with the main difference being that it lets you specify target processes by their names.
With kill you have to specify the target process by its process ID. do some cleaning up before terminating.Ī more forceful signal would be the KILL (9) signal, which forces the process to terminate immediately.įor more information and a complete list of signals, run man kill. The specification of the TERM signal is designed to give the addressed process a chance to shutdown gracefully, i. Now, restart your Mac and simultaneously press Command + Option + P + R keys for about 20 seconds until. If you don't specify a signal, the default will be used, which is the TERM (15) signal. Again I force shutdown and Restart my laptop.
The signals have defined names and numeric codes. There are many different signals that can be sent to processes. The kill command is a UNIX command (macOS is a UNIX variant) that sends signals to processes.