These are scripts that are used for various activities/classes within UWI for creating environments via scripts for ubuntu (and its derivatives)
You should rung the comp3550_setup.sh first
bash comp3550_setup.sh
Alternatively
chmod +x comp3550_setup.sh
./comp3550_setup.sh
Followed by the generators_install.sh script after
bash generators_install.sh
Alternatively
chmod +x generators_install.sh
./generators_install.sh