Re: /dev/null is full ???

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On Tue, Oct 8, 2019 at 3:28 PM Ed Greshko <ed.greshko@xxxxxxxxxxx> wrote:
> On 10/8/19 8:24 PM, Tom H wrote:
>>
>> 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:)
>
> I've shown in another follow up in the thread that it does nothing.

Thanks. I'd missed your demonstration (for future reference):

[egreshko@meimei ~]$ sudo dd if=/dev/null of=/dev/sdg status=progress
0+0 records in
0+0 records out
0 bytes copied, 0.000189575 s, 0.0 kB/s
[egreshko@meimei ~]$ sudo mount /dev/sdg1 /mnt
[egreshko@meimei ~]$ ls /mnt
lost+found  x

Somewhat counter-intuitive, unless you think of it as "pouring" from
an empty pitcher into a glass. Thanks again.
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