See when your Mac last rebooted or how long it’s been running for with these two commands.

To launch terminal on a Mac, press command ⌘ and space, in the pop up window type ‘terminal’

Uptime

Running the command ‘uptime’ will give you the following information:-

• The Current Time

• How long the device/system has been running for

• How many users are currently logged on

• System load averages*, for the past 1, 5, and 15 minutes.

*System load averages, the number of processes that are currently in a runnable state or a process which is uninteruprible. A process which is in a runnable state is currently using CPU power or waiting to use available CPU power.

Last reboot

Running the command in terminal of ‘last reboot’ will tell when the machine was last rebooted, returning a list of the most recent events.