On Sat, 02 Feb 2019 11:17:07 +0000, Chris Elvidge wrote:

> mmcblk0 is always the (first) SD card in Linux, when in the SD card
> slot. mmcblk0p1, the first partition; mmcblk0p2 the second, etc.
>
Indeed, as I saw just now (T440 running Fedora 28) with the card in the
T440's internal slot.

> sda is the first USB connected drive. If you put an SD card into a USB
> SD card reader, it will come up as sd?
>
OK,  that may be true on an RPi, but its not quite so on machines with
internal HDD or SSD volume: sda, sdb,.. are allocated to the permanently
attached drive, with USB drives added to the end of the list.

> AFAIK this SD card nomenclature also holds for any Linux-driven PC. Macs
> may vary, I don't know.
>
Macs presumably use whatever device naming scheme they inherited from BSD.


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Martin    | martin at
Gregorie  | gregorie dot org

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