Hit the return key, authenticate with sudo to. Enter the halt command syntax exactly as described: sudo halt.
#Mac shutdown key command mac#
The process and syntax for ‘halt’ to turn off a Mac is as follows: Open the Terminal. Press the power button to turn your MacBook on. Hold the three keys and the power button for 10 seconds. The ‘halt’ command can also instantly shut down a Mac via the command line. Start or restart your Mac and immediately press and hold shift-control-option on the left side of your keyboard and then press and hold the power button at the same time. See Technical Q&A QA1134: Programmatically causing restart, shutdown and/or logout.Īccording to man shutdown, shutdown -h now and shutdown -r now send processes a TERM signal followed by a KILL signal.Īccording to the Daemons and Services Programming Guide, when you tell loginwindow to log out, processes that support sudden termination are sent a KILL signal, and processes that don't support sudden termination are terminated in different ways: Cocoa applications receive the applicationShouldTerminate: delegate method, foreground applications receive the kAEQuitApplication Apple event, background applications receive the kAEQuitApplication Apple event followed by a KILL signal, and daemons receive a TERM signal followed by a KILL signal after a few seconds. Shutting Down a Mac via Terminal with ‘halt’. loginwindow is sent the same Apple events as above when you log out, restart, shut down, or put the the Mac to sleep normally. The four letter codes for the Apple events are listed in AERegistry.h.Īll System Events commands above send Apple events to the loginwindow process. Put displays to sleep (10.9 and later): pmset displaysleepnow
Go to sleep (AppleScript): osascript -e 'tell app "System Events" to sleep' Log out after showing a confirmation dialog: osascript -e 'tell app "System Events" to log out' Just press the power button and you will get that window with all those options. Log out without showing a confirmation dialog: osascript -e 'tell app "System Events" to «event aevtrlgo»' MarkBrandenburg wrote: I just found out that pressing the function (fn) key and the power button calls up a dialog box where you can choose to sleep or shut down (shut down is the default when you press return.
Restart after showing a confirmation dialog: osascript -e 'tell app "loginwindow" to «event aevtrrst»'
#Mac shutdown key command pro#
Restart without showing a confirmation dialog: osascript -e 'tell app "System Events" to restart' MacBook Pro M1 (Max/Pro) power-up behavior Im trying to change the setting ( through the terminal) that makes the MacBook Pro turn on as soon as a key on the keyboard is pressed, but I couldnt do it while on my old Intel MacBook Pro it worked perfectly. Shut down after showing a confirmation dialog: osascript -e 'tell app "loginwindow" to «event aevtrsdn»' Shut down without showing a confirmation dialog: osascript -e 'tell app "System Events" to shut down'
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