Steve Litt <slitt@???> writes:
> Rainer Weikusat <rainerweikusat@???> wrote:
>
>> Steve Litt <slitt@???> writes:
> [clip]
>> > With excellent backups, rm -rf / or even dd if=/dev/zero
>> > of=/dev/sda1 is correctable with a few hours of work, on the
>> > premises, with only resources on the premises.
>>
>> A somewhat seriously wrong conception about the relation between /
>> (the root of the filesystem name tree) and /dev/sda1 (some partition
>> of a mass storage device) seems to exist here. The reality is "there
>> is none" unless the system happens to be configured such
>> that /dev/sda1 is mounted as /
>
> Come on, Rainer, it's obvious your last sentence is assumed in my
> statement.

My sentence continued with

,----
| and nothing else has been integrated into the filesystem
| namespace.
`----

which obviously wasn't the situation you were writing about as
'deleteing EFI variables' at least requires the efivarfs filesystem to
be mounted.