#!/bin/sh #Bright_up.sh hopefully this works current_brightness=$(cat /sys/class/backlight/intel_backlight/brightness) max_brightness=$(cat /sys/class/backlight/intel_backlight/max_brightness) step=$(($max_brightness * 5/100)) current_brightness=$(echo "$step + $current_brightness" | bc) echo $current_brightness > /sys/class/backlight/intel_backlight/brightness