Hello this a basic programming language How to run? -> Install G++ MacOS: brew install g++ UbuntuOS: sudo apt install g++ Run the main file -> MacOS: g++ includer.cpp -o (custom-namefile) ./(custom-namefile) [this is run the "template.rr" file] UbuntuOS: g++ includer.cpp -o (custom-namefile) ./(custom-namefile) [this is run the "template.rr" file]