Hi Bill,

On Sat, Aug 2, 2014 at 10:39 AM, William Pretty Security <
[email protected]> wrote:
> Hello all;
>
> I have an 8GB uSD card with an ~6GB file system on it (boot +rootfs).
> What I want to do is just image the 6GB portion that is actually
formatted and used.
>
> I tried the windows tool and it didn’t work. It imaged the entire disk.
> Is there a switch in Linux “DD” or some other way to image just the 6GB
portion of the card ?

In linux, there is a block device for the entire disk, and then there will
be a block device for each partition.

So if you were using /dev/sdc for the entire device, the normal convention
is that /dev/sdc1 would reference the first partition and /dev/sdc2 would
referece the second partition.

The name of your device will depend on exact dsitribution of Linux being
used and whether the sdcard reader is a USB device or directly connected.

I'm always super parinoid when using those level of commands, because it's
really easy to mistype and enter the name of your system hard drive.

--
Dave Hylands
Shuswap, BC, Canada
http://www.davehylands.com

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