/dev/sdb permission denied

Larry Hall (Cygwin) reply-to-list-only-lh@cygwin.com
Mon Apr 8 17:54:00 GMT 2013


On 4/8/2013 12:04 PM, andrei wrote:
> Hi
>
> Running version 1.7.17-1
>
> Trying to $ dd if=/dev/sdb of=/dev/null count=10 - compact flash card in the
> PC CF card reader.
>
> Running above command displays: dd: opening `/dev/sdb': Permission denied
>
> Searched for solutions, but could not find anything to solve.  Also tried
> running cygwin as administrator but still the same problem.
>
> Do I have to mount the /dev/sdb or it is not required in later versions
> anymore?

No, you don't.  Have you seen this FAQ entry?

<http://cygwin.com/cygwin-ug-net/using-specialnames.html#pathnames-posixdevices>

What's the result of 'ls /dev/sd*'?

-- 
Larry

_____________________________________________________________________

A: Yes.
 > Q: Are you sure?
 >> A: Because it reverses the logical flow of conversation.
 >>> Q: Why is top posting annoying in email?

--
Problem reports:       http://cygwin.com/problems.html
FAQ:                   http://cygwin.com/faq/
Documentation:         http://cygwin.com/docs.html
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple



More information about the Cygwin mailing list