Memory stick address

Karl Auer kauer at biplane.com.au
Sat May 24 17:10:08 UTC 2008


On Sat, 2008-05-24 at 10:50 -0600, Karl Larsen wrote:
> I have 2 memory sticks now and if I plug in both you get this with df:
> 
> /dev/sdf1              2014944        32   2014912   1% /media/KINGSTON
> /dev/sdg1              3940796     18508   3922288   1% /media/disk

Yes - those are the mountable partitions on the sticks. /dev/sdf is the
whole of the first stick, /dev/sdf1 is the first partition on that
stick. Similarly /dev/sdg is the whole of the second stick,
and /dev/sdf1 is the first partition on it.

To look at the partitioning of a device, you use the name of the device,
not the name of any particular partition on it. So for the first stick
above you would run "sudo fdisk /dev/sdf" to see and/or modify the
partitioning.

If you run fdisk on /dev/sdf1 (or any other partition), you will see
very strange things, as fdisk will try to interpret the data IN that
partition - whatever it happens to be - as a partition table.

Imagine opening a book to the first chapter and trying to interpret the
first page of the chapter as the table of contents. Doesn't work - you
have to read the first page of the *book*.

Linux is not "adding 1" to the names - they are different names for
different, though related, things. 

Regards, K.

-- 
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Karl Auer (kauer at biplane.com.au)                   +61-2-64957160 (h)
http://www.biplane.com.au/~kauer/                  +61-428-957160 (mob)

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