lsblk

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lsblk

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This says that my ancient MS-DOS formatted Flash card is a rotational
disk! Whereas it appears to me rectangular and static.

lsblk -oNAME,LABEL,RM,FSTYPE,TYPE,ROTA,SIZE

NAME   LABEL    RM FSTYPE TYPE ROTA  SIZE
sr0              1        rom     1 1024M
sdc              1        disk    1 15.3M
└─sdc1 FLASH 16  1 vfat   part    1 15.3M

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Re: lsblk

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Ah, lsblk is one of the most useful commands hands down.  It beats
fumbeling around watching /dev/{sd*,mmcblk*} to find what name your
drive gets.
According to this question [1], the /dev/sd* was to keep things in the
place users expected, rather than renaming them.  Interestingly,
/dev/mmcblk*p* seems to be an exception to this rule.
These days, there is also /dev/disk/by-*.  That features disks
catogrized by useful things; such as GUIDs or partition labels.  So it
is better to use, as it is stable across reboots - things aren't just
named based on the order they are mounted.
[1] https://superuser.com/questions/558156/what-does-dev-sda-for-linux-
mean id="-x-evo-selection-start-marker">
On Mon, 2017-10-09 at 00:24 +1100, Bryan Kilgallin via linux wrote:

> This says that my ancient MS-DOS formatted Flash card is a
> rotational
> disk! Whereas it appears to me rectangular and static.
>
> lsblk -oNAME,LABEL,RM,FSTYPE,TYPE,ROTA,SIZE
>
> NAME   LABEL    RM FSTYPE TYPE ROTA  SIZE
> sr0              1        rom     1 1024M
> sdc              1        disk    1 15.3M
> └─sdc1 FLASH 16  1 vfat   part    1 15.3M
>
> --
> members.iinet.net.au/~kilgallin/
>
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Thanks,
Sam

Check out this narrative tech podcast: https://www.sam.today/podcast/

https://www.sam.today/
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