sudo apt install cmatrix
cmatrix -bas
-a: Asynchronous scroll
-b: Bold characters on
-B: All bold characters (overrides -b)
-f: Force the linux $TERM type to be on
-l: Linux mode (uses matrix console font)
-o: Use old-style scrolling
-h: Print usage and exit
-n: No bold characters (overrides -b and -B, default)
-s: "Screensaver" mode, exits on first keystroke
-x: X window mode, use if your xterm is using mtx.pcf
-V: Print version information and exit
-u delay (0 - 10, default 4): Screen update delay
-C [color]: Use this color for matrix (default green) ex: red, blue, white
