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Wayward Penguin

20+ year software engineering stalactite longing for one golden era of computing while living in another. Nintendo nerd, Linux lover, security wonk.

Wayward Penguin

Jun 25, 2026

What about NICs? I’ve never seen a filesystem node for them, tho in modern linuxes, I am sure they’re exposed in some fashion via /sys but they aren’t in dev anywhere are they?

Responses (1)

Danny Spell

Jun 28 (edited)

These are not files in the traditional sense—they are kernel attributes exposed as virtual files.
Try this:
ip link
This will list the NICs.
cd /sys/class/net
ls -l
This will list links (these are file links, not network links, just to be clear) to the…

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