How To Find Your Ubuntu Linux OS Installation Date And Time

If you are using Ubuntu Linux OS on your computer for a long time and forget the exact installation day and time, then now you can find the exact installation date and time of your Linux OS using below methods and commands.

How long have you been using your Ubuntu Linux OS without a reinstall:

Open the terminal app using ctrl+alt+t keys or from application menu and run below command to switch to root user

Using filesystem creation date:

sudo su

Enter your password. Then run below command.

fs=$(df / | tail -1 | cut -f1 -d' ') && tune2fs -l $fs | grep 'Filesystem created'

os date and time1

This command will output the file system created date and time during the OS installation time and date.

Also Read:  How to Get File Information Using stat Command

Using stat command:

Open the terminal app and run below command to get the installation date and time

stat -c %w /

os date and time3

Or use the below command to get the date only.

stat / | grep "Birth" | sed 's/Birth: //g' | cut -b 2-11

os date and time2

That’s all. In this way you can get the your Linux OS installation date and time.

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This Post Has One Comment

  1. Myrton Smith II

    stat -c %w /, returned nothing on my Linux Mint v20.2 system.
    fs=$(df / | tail -1 | cut -f1 -d’ ‘) && tune2fs -l $fs | grep ‘Filesystem created’, returned Wed Nov 25 10:45:13 2020

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