Type the following in Terminal then press Enter to see your Mac’s reboot history: MacOS includes dedicated Terminal commands for checking out your Mac’s reboot and shutdown histories, and these handy commands couldn’t be easier to memorize. Checking the reboot and shutdown histories
#Mac shutdown message software
TIP: If your troubleshooting steps include startup key combinations for macOS’s various startup modes-and you’re unsure whether your Mac is currently in safe, verbose, recovery or some other startup mode-look for “Boot Mode” in the System Software Overview section.
System Information lets you see a Mac’s uptime in days, hours and minutes Some people are intimidated by Terminal, but there’s nothing to worry about because macOS gives us another way of figuring out a Mac’s uptime.ġ) Click on the Apple menu and choose About This Mac.Ģ) Under the About This Mac window’s Overview tab, click the button System Information.ģ) Click on Software in the lefthand column.Ĥ) The time since last reboot is shown next to “Time since boot” in the righthand section. It’s been six hours and fifty minutes since I last restarted my Macįor those wondering about “2 users,” this is normal because aside from your own Mac user account your computer also needs the “root” macOS account to function.ĭepending on how often you reboot your computer-I would typically do this multiple times per day because my Mac’s resources are constrained-the number of data points can vary from just a couple of entires per day to a few dozens, even couple of hundreds of entires. What you should see next is a bunch of entries, each telling you how long it’s been since you last rebooted or started up your Mac, as shown in the screenshot seen below. To get your Mac’s current uptime, type the following in Terminal and press Enter: Open Terminal from the /Applications/Utilities folder or use Spotlight to quickly launch Terminal. You can get this info with a Terminal command or by digging through the menus in the System Information app, with the latter giving you additional information like your Mac’s load averages.
#Mac shutdown message how to
In this step-by-step tutorial, we will show you how to see how much time has elapsed since you last rebooted or started up your computer, as well as how to check the reboot and shutdown histories.Ĭhecking your Mac’s uptime tells you how much time has elapsed since you last rebooted or started up the machine, which could be useful when troubleshooting various issues.įor instance, knowing your reboot and shutdown histories can help pinpoint the exact date and time when you installed a major macOS software update (which requires a restart) or other update that resulted in issues, allowing you to easily restore before that time.Ī computer’s uptime can also be helpful for digital forensic purposes. Many users only restart their Mac when forced to do so, like when installing a major macOS software update.
Step 5: sudo crontab -e 5.1 An editor will openĥ.3 copy this line (you can add more): 59 23 * * 1 /shutdown.shĥ.MacOS is so efficient that you can leave your computer turned on or in sleep mode for days, weeks and even months without needing a restart. Here is how to create a sleep cronjob for MAC.
#Mac shutdown message code
I'm trying to automate the shutdown of my mac, I have written a script to shutdown the mac.I have included the code to display dialogue box which displays message that "Your computer will shutdown after 30 seconds" and counter goes down till 0 seconds.
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