Unix-Philosophie

„Alles ist eine Datei“

/dev

ls /dev

cat /dev/input/mice*
cat /dev/input/event*

/proc und /sys

cat /proc/cpuinfo

cat /proc/meminfo

zcat /proc/config.gz

cat /sys/class/backlight/intel_backlight/brightness
cat /sys/class/backlight/intel_backlight/max_brightness
echo 1000 > /sys/class/backlight/intel_backlight/brightness

GPIO @RaspberryPi

echo 1 > /sys/class/gpio/gpio17/value

/etc