4 GB USB memory arrived

Karl Larsen k5di at zianet.com
Sat May 24 17:34:24 UTC 2008

Karl Auer wrote:
> Karl Larsen wrote:
>>     I may have. It is clearly /dev/sdf1 and if I try $ sudo umount
>>  /dev/sdf it says it is not loaded. With $sudo umount /dev/sdf1 it works.
>>  Do you have any idea why it is bad?
> To answer this specific question more specifically :-) you mount
> formatted partitions (filesystems), not entire devices. So /dev/sdf
> wasn't mounted, /dev/sdf1 was.
> it isn't "bad" you are just misunderstanding what's going on.
> Common usage is confusing, because we speak of "mounting a disk" or
> "mounting a memory stick" which is not strictly true. What we mount are
> filesystems, which in these cases are actually formatted partitions on
> those devices.
> Regards, K.
> PS: It gets more complicated with network file systems, virtual
> filesystems and the like. For many of these things there is no
> "partition" involved. The general statement still holds true - we mount
> filesystems, not raw devices.
    Yes! The first guy was wrong. He said I should see the devise not 
the file system but in fact on real hard drives we have partitions with 
a file system mounted.



	Karl F. Larsen, AKA K5DI
	Linux User
	#450462   http://counter.li.org.
   PGP 4208 4D6E 595F 22B9 FF1C  ECB6 4A3C 2C54 FE23 53A7

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