![]() To force shut-down – press and hold Power button for 5 seconds, or until shuts down. To run sysdiagnose, which produces a large dump of diagnostic information for Apple (or third-party) analysis – Command-Option-Control-Shift. You should normally reset NVRAM after resetting the SMC. Press and hold Power button for 5 seconds. Older portables with removable batteries – shut down.On built-in keyboard, press (left side) Shift-Control-Option and the power button, then release. MacBook including Air and Pro with non-removable batteries – shut down. ![]() Wait a further 5 seconds before pressing Power button to start up. Reset NVRAM (PRAM) – Command-Option-P-R until startup chime. Startup Manager, so you can choose startup volume – Option.Įject removable media (optical disk) – Eject key, F12, mouse button, trackpad button. Target disk mode (connected to ‘master’ Mac) – T. Single-user mode (command line only, rarely useful now) – Command-S. Remote Hardware Test/Diagnostics (online) – Option-D requires a wired keyboard and trackpad/mouse. Hardware Test/Diagnostics mode (run hardware diagnostics) – D requires a wired keyboard and trackpad/mouse. These Recovery modes differ in their reinstall options. Remote (original) Recovery mode (online Recovery, 10.12.4 and later only) – Command-Option-Shift-R requires a wired keyboard and trackpad/mouse. Remote (latest) Recovery mode (online Recovery) – Command-Option-R requires a wired keyboard and trackpad/mouse. Local Recovery mode (Recovery partition, Disk Utility, System install) – Command-R requires a wired keyboard and trackpad/mouse. Safe mode (no third-party startups, flush caches) – Shift. Instead of giving these by the keys used, I have ordered them by function, as that is how you will want to look them up. We hope the above two methods help you shutdown a Mac from Terminal almost instantly.Here is a handy listing of the most important startup and shutdown key combinations and related techniques, applicable to Macs running macOS Sierra and later. It’s entirely up to you whether you want to use the ‘shutdown’ or ‘halt’ command as it’s all up to preferences. When you are done, simply hit the return key and then validate the sudo to instantaneously shutting down the Mac. To do this you need to first open the terminal app in your Mac OS device. The command will be: Below we have given the process and syntax that can be used to close down a Mac. If you want to shut down the Mac device immediately, you need to give the ‘halt’ command to do so. Power off Mac from Terminal using the ‘halt’ Command You can replace the “60” number with any number converted in minutes. Your Mac will be powered off after 1 hour (60 minutes). If you want to shutdown a Mac from Terminal after a specified time, you can do that easily using the command below:Īfter that, you will be asked to enter your password and confirmation that your Mac will be powered off in 60 minutes (in our case). How to Shutdown Mac from Command line After Certain Time When you are done, you can simply hit the return key and then authenticate the command using an administrative password to enable you to immediately shut down the Mac. Unless you have actually logged in to the computer as the root user, you will need to preface the shutdown command by adding ‘sudo’ which means this needs an administrative password.ģ. There will no dialog or warning before the action takes place. When you hit the return button and validate the command, the Mac will come to a halt and forcefully stop all the processes and applications. So, the syntax line will be something like this – sudo shutdown -h now If you want to close down all the operations and shut down Mac then you will need to use the h flag and give it the command to shut the system immediately. The shutdown command helps you to shut down as well as reboot a Mac using the Terminal. So, any unsaved data will be lost if the apps close suddenly. There’s absolutely no warning dialog, no confirmation or any way to stop the process after the command has been given. Please bear in mind that the shutting down of the Mac device using the command line method takes place almost immediately.
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