Re: /dev/null is full ???

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On Mon, Oct 7, 2019 at 5:50 AM jdow <jdow@xxxxxxxxxxxxx> wrote:
> On 20191006 01:34:45, Tom H wrote:
>> On Sun, Oct 6, 2019 at 9:05 AM ToddAndMargo via users
>> <users@xxxxxxxxxxxxxxxxxxxxxxx> wrote:
>>>
>>> Fedora 30 x64
>>>
>>> # dd bs=4096 if=/dev/sdb of=/dev/dull status=progress
>>> 8301694976 bytes (8.3 GB, 7.7 GiB) copied, 38 s, 218 MB/s
>>> dd: error writing '/dev/dull': No space left on device
>>> 2034754+0 records in
>>> 2034753+0 records out
>>> 8334348288 bytes (8.3 GB, 7.8 GiB) copied, 38.4257 s, 217 MB/s
>>>
>>> /dev/null is full ???  Huh ???
>>
>> 1) "/dev/null" not "/dev/dull"
>>
>> 2) "if=/dev/null of=/dev/sdb" not "if=/dev/sdb of=/dev/null"
>
> Don't you hate it when you do that (item 2), Tom?
>
> {^_-}

LOL. I was thinking of "dd if=/dev/urandom ...". I did this three
weeks ago before backing up some systemd config files that I wanted to
keep :(

But the OP actually wanted "if=/dev/sdb of=/dev/null". I'm not sure
that "if=/dev/null of=/dev/sdb" does much, but I wouldn't test it on a
partition whose data I'd prefer not to lose :)
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