![]() ![]() Lastly, in the info window for the shutdown timer, click the logo in the top left corner to highlight it, then press command + V to paste the image. To shut down your computer without any prompts to save or closing out applications, press and hold the Power button. As a safety, these shortcuts require you to hold them down longer than you would a simple shortcut command, e.g., + Z to undo changes. Open the image you want to use in Preview and press command + A to select all and command + C to copy. Keyboard Shortcuts to Shutdown/Restart a Mac. This opens the info page for the shortcut. If you want to replace the default icon of an executable file, click to highlight the icon and press command + I. There may be a message that pops up to ask you to restart or shutdown. Now if you double-click the shutdown shortcut on your desktop, Terminal will open, prompting you to enter your user password. Just how down the power button until it completely shuts itself down. Next, type chmod 774 shutdown and press enter. Open terminal and change directory to Desktop by typing cd /Users//Desktop and press enter. You can set a time to turn off your Mac in order to schedule a shutdown at a specific time. The schedule consists of two events that you can set to happen to the Mac. You can customize the shutdown command even more. And Terminal told me when the turnoff would occur exactly. Before clicking Save, make sure to uncheck the box beside If no extension is provided, use ".txt". Click Save.įinally, we need to make the file executable. sudo shutdown -h +10 In the screenshot below, I set mine to turn off in 500 minutes. Save the file to Desktop and give it a simple name, like shutdown. Press return twice, and on the third line, enter your shutdown timer command, such as sudo shutdown -h +15. This tells the operating system that the command should be executed using Bash. On the very top line of the text file, type #!/bin/bash. If you find yourself using the same shutdown timer often, you may want to create a desktop shortcut for the timer.Ī partially complete script for a shutdown timer. If you wish to cancel a shutdown timer, take note of its pid and enter this command in Terminal: sudo kill. ![]() It will also give you the process ID, also known as a pid, which is a three- to four-digit number. The shutdown timer will then be created, giving you the exact time and date that the shutdown/restart/sleep process will occur. When you enter one of these commands, you will need to enter the password for the user account and press return. 1 If you could just do such a thing it would be an enormous security vulnerability. A 1-hour sleep timer: sudo shutdown -s +60.A 30-minute restart timer: sudo shutdown -r +30.A 15-minute shutdown timer: sudo shutdown -h +15.Some example shutdown timer commands would look like: If your Mac is frozen and you can't save anything, take a photo of your work in progress on your phone so you can recreate it later. If possible, you may want to make a new Time Machine backup before restarting. If you remember this shutdown command, you can simply open Terminal and enter the command to create a shutdown timer. Try to save each of your open files by pressing Cmd + S or selecting File > Save from the menu bar. This is a shutdown timer command for 15 minutes with a pid of 842.
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