/sys/class/net/

• https://www.kernel.org/doc/Documentation/ABI/testing/sysfs-class-net

/sys/class/net/
/sys/class/net/eth0/address
/sys/class/net/eth0/mtu
/sys/class/net/eth0/carrier
/sys/class/net/eth1/
/sys/class/net/wlan0/

See also

• FHS, /proc/, /proc/net/, /boot/, /run/, /dev/, /usr/, /var/run/, /etc/, /var/, /var/lib/ /var/log/, /var/www/, /opt/, /lib/, /sys/, /proc/kcore, /proc/sys/, /proc/sys/vm/, /snap/, /mnt/, /mnt/data, /var/opt/, /usr/bin/, /lib/, /proc/$PID/, /proc/self/