This is what my terminal looks like. When I type nothing comes up. Enter and ctrl C do nothing. I've tried restarting my pc, changing browser, and rebooting the workspace but nothing changes. This is stopping me from getting anywhere with the court so I'd like to fix it ASAP.
It is possible to reboot the virtual machine by clicking the "CPU-MEMORY-DISK" tab top-right corner, but I doubt that will help. You can also try creating another workspace within c9 at https://c9.io/ and see if your terminal works there -- which coming to think of it very likely won't work if my first solution did not.