1. ## bri0-bri7 for setting brightness. adjust to your brightness range and path as necessary.
  2. for i in 0 1 2 3 4 5 6 7
  3. do
  4.     baseName="bri${i}"
  5.     alias $baseName="sudo su -c 'echo ${i} > /sys/class/backlight/acpi_video0/brightness'"
  6. done