dumpe2fs -h /dev/DEVICE | grep 'created'

Show when filesystem was created

Knowing when a filesystem is created , you can deduce when an operating system was installed . find filesystem device (/dev/) informations by using the cat /etc/fstab command.
Sample Output
gnu@robby:~$ sudo dumpe2fs -h /dev/sda1 | grep 'created'
[sudo] password for gnu: 
dumpe2fs 1.41.4 (27-Jan-2009)
Filesystem created:       Wed Oct 14 16:56:35 2009




7
By: eastwind
2009-12-12 14:47:33

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What Others Think

Better than reading the (maybe) modified /etc/fstab, is using mtab, ie: read FS </etc/mtab && set -- $FS && echo $1 Besides that, dumpe2fs doesn't work for non e{2,3,4} formatted filesystems.
netizen · 439 weeks and 5 days ago
works great for ext2* filesystems. Now what about the rest of the world, eh?
linuxrawkstar · 439 weeks and 5 days ago

What do you think?

Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

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