[ubuntu-in] How to verify actual space on a disk (maybe OT)

[Mehul Ved]

On Mon, Apr 12, 2010 at 5:09 PM, Ramnarayan.K <ramnarayan.k at gmail.com> wrote:
> Hi
>
> Recently a friend of mine brought a USB pen Drive (Flash Disk) of 500
> GB for Rs 1500-/ from Palika Bazaar.
>
> First I don't believe it. However i tried it on my system and checked
> using df -h and it showed 500 GB (free space 498 GB)

Sounds like fake from the price.

Couple of discussions on the topic
http://www.linuxquestions.org/questions/linux-hardware-18/fake-usb-stick-testing-tool-786415/
http://ubuntuforums.org/archive/index.php/t-1415764.html