I have to use a bash script to increase/decrease brightness. The keyboard keys do nothing. My audio comes out both the headphones and speakers when the headphon

I have to use a bash script to increase/decrease brightness. The keyboard keys do nothing. My audio comes out both the headphones and speakers when the headphones are plugged in. Sometimes I have to use a bash script to make it play out the headphones. It'll still play out the speakers. It's still a better experience than Windows 10.