How to Check System Uptime on Ubuntu Linux

You can easily find out how long the system has been running under a Linux OS. Linux systems come with many build-in tools and commands to find out your computer uptime. In this article we will see how to check system uptime on Ubuntu Linux.

Find System Uptime on Ubuntu

Uptime Command:

Open the terminal application (ctrl+alt+t) and run below command.


Uptime command

Here “up 7:58” is my system uptime. 7 hours and 58 minutes.
This command also shows the current time, number of logged on users and system load averages.

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You can filter the output in human readable format using below command.

uptime -p


If you want to check the system starting date and time (system up since), then run below command.

uptime -s

uptime since

W command:

You can also view system uptime using the w command in the Linux. Using below command in the terminal.


w command

TOP Command:

The top command also shows us the system uptime.


top command

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