USB stick and some help with it.

[Bernt Hansson]

On 2015-08-03 19:07, jd1008 wrote:
>
>
> On 08/03/2015 11:04 AM, Bernt Hansson wrote:
>>
>>
>> On 2015-08-03 18:39, jd1008 wrote:
>>>
>>>
>>> On 08/03/2015 10:34 AM, Bernt Hansson wrote:
>>>>
>>>>
>>>> On 2015-08-03 18:26, jd1008 wrote:
>>>>>
>>>>>
>>>>> On 08/03/2015 10:21 AM, Bernt Hansson wrote:
>>>>>>
>>>>>>
>>>>>> On 2015-08-03 18:00, jd1008 wrote:
>>>>>>> Are you invoking the command as root or regular user?
>>>>>>
>>>>>> As root.
>>>>> If your installation cannot write to the raw device, then
>>>>> it  is either a bug or .....????
>>>>>
>>>>> One thing that you have to be aware of is that if you
>>>>> dd an iso image to a flash, then afterwards, the OS
>>>>> will always assume it is a non-writable cdrom; that
>>>>> is until you dd /dev/zero into the raw device while
>>>>> it is not mounted.
>>>>>
>>>> There is no rda* on FreeBSD 10.1-RELEASE-p15 #0
>>> So how will a user write to the raw device?
>> You tell me. I don't know.
>
> OK, so in your installation what do you see in /dev as far as disk 
> devices that are raw
> (i.e. their name starts with r)?

None.

On FreeBSD, all block devices are in fact raw devices. Support for 
non-raw devices was removed in FreeBSD 4.0 in order to simplify buffer 
management and increase scalability and performance.

https://en.wikipedia.org/wiki/Raw_device