Simple script not working

[Dragoontesla]

I'm super new at this so be gentle lol I saw the idea for the nyancat attack from the Hak5 video, but alas, my code doesn't work. Later I'll make it disable the keyboard but for now, when I arm it, It doesn't even recognize as a usb device. 

#!/bin/bash
#
# Title: Nyancat Prank (First_Payload)(#HelloWorLd?_NOT_THIS_TIME!)
# Author: Dragoontesla

# Initiate
LED SETUP
ATTACKMODE HID STORAGE

# Attacking_Phase
LED R B
Q GUI SPACE
Q DELAY 100
Q STRING gnome-terminal
Q DELAY 100
Q ENTER
Q DELAY 100
Q STRING apt-get install nyancat
Q DELAY 100
Q ENTER
Q DELAY 100
Q STRING nyancat
Q DELAY 100
Q ENTER

LED G