How to Check Your Mac’s Uptime, Reboot and Shutdown History

Are you curious to find out how often your Mac has been rebooted or shut down? Or how long your Mac has been running without a reboot? Checking your Mac’s uptime, reboot, and shutdown history can provide valuable insights into the performance and usage of your device. And your Mac allows you to find that out! This article will guide you on how to check your Mac’s uptime, reboot, and shutdown history.

Check Your Mac’s Uptime

By having a detailed record of your Mac’s activity, you can learn more about your Mac’s usage patterns, optimize its performance, and make more informed decisions about how to use and care for your device. With that out of the way, let’s begin with the article. 

Note: We are running on macOS Ventura 13.0.1. The methods and steps mentioned in the article may or may not change depending on the macOS version you are running on.

2 Ways to See Your Mac’s Uptime History

There are multiple ways you can get to know about your Mac’s uptime. We will use Mac’s System Infomation and Terminal to find uptime on Mac. The methods and steps mentioned below are straightforward and simple to execute. Let’s begin.

Method 1: Check Uptime on Mac Using System Information

System Information is one of the most common and easiest ways to find your Mac’s uptime. Follow the steps below.

Step 1: Hold the Option key on your keyboard and click the Apple icon at the top-left corner of your screen.

Note: Alternatively, click on the Apple icon at the top left corner, select ‘About This Mac,’ click on the More Info button, and under About, scroll down and click on System Report. 

click the Apple icon at the top-left corner of your screen

Step 2: From the drop-down menu, select System Information.

select System Information

Step 3: In the left pane, click on Software.

click on Software

In the right pane, under System software overview, you can see the ‘Time since boot.’ 

under System software overview

Time since boot dictates the last time your Mac was booted, apparently giving the uptime of your Mac. There’s another way to check Mac’s uptime, which involves using Terminal. Continue reading.

Method 2: How to See Mac’s Uptime Using Terminal

Finding Mac’s uptime using Terminal is relatively simple. The involvement of the Terminal may make the steps look complicated, but it is not. Let’s show you.

Step 1: Press the ‘Command + Space bar’ on your keyboard to open Spotlight Search, type Terminal, and press Return.

Note: If the step seems confusing, there are different ways to open the Terminal on Mac

type Terminal

Step 2: Now, type the below command and press Return.

uptime

type the below command

The above command will let you know when your Mac last rebooted, a count of how many days and minutes, the number of users, and finally, load averages.

Note: You may wonder about 2 users; it is the norm that Macs follow. Aside from your user account, your Mac also needs a root macOS account to function.

let you know the time your Mac was last rebooted

There you go. Pretty easy to follow. Well, if you don’t just want to settle with uptime, you can also view your Mac’s reboot history. Keep reading.

How to Check Mac’s Reboot History Using Terminal

Knowing your Mac’s reboot history helps you troubleshoot, monitor performance, and more. This method will involve using the Terminal app. In case you are wondering, yes, there are many things you can do using Terminal. The steps are easy to follow and understand. 

Step 1: Press the ‘Command + Space bar’ on your keyboard to open Spotlight Search, type Terminal, and press Return.

type Terminal

Step 2: Type the below command and press Return.

last reboot

Type last reboot in the Terminal

That’s it. The above command will let you see all the reboots with the date and time. Now that you know your Mac’s reboot, you may also want to know your Mac’s shutdown history. Continue reading.

How to See Shutdown History on Mac Using Terminal

The steps are easy to follow. If you have followed the above method, this method is just its extended version. Follow the steps below.

Step 1: Press the ‘Command + Space bar’ on your keyboard to open Spotlight Search, type Terminal, and press Return.

type Terminal

Step 2: Type the below command and press Return.

last shutdown

Type last shutdown in the Terminal

There you have it. This command will list down the shutdowns made by the user as well as the system due to some errors, with the date and time. If you have any queries, check out the FAQ section below. 

FAQs on Checking Mac’s Uptime and Other Details

1. Why did my Mac reboot itself?

There are several potential reasons why your Mac may have rebooted itself. This includes installing a software update, it may have lost power unexpectedly, or it may have restarted itself if it experienced a system crash or other software failure.

2. Does rebooting Mac delete all files?

No, rebooting your Mac will not delete any of your files. It simply restarts the operating system, which closes all open programs and reboots the system processes.

3. What does rebooting Mac in Safe Mode do?

Rebooting your Mac in Safe Mode allows the operating system to start with only the essential system processes and drivers. It can help identify if a particular program or process is causing issues. It is useful when troubleshooting specific problems or issues with your Mac.

Know Your Mac Better

Now that you know your Mac’s uptime, reboot, and shutdown history, it will be easy to identify usage patterns and keep a track of your Mac’s activity. And speaking of usage patterns, you may also want to check how to use screen time on Mac to optimize your productivity.

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Last updated on 16 January, 2023

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