This is pretty interesting. Is there a shell? I didn't see one, but since it has a local file system, it should be (?) doable.
An oddity I noticed: It doesn't appear you can actually exit the About screen. You can minimize it, but can't shut it down like you can with vim, for example.
Yes there is havoc, a Wayland terminal and there is bash.
I will redesign the desktop to make it more intuitive
/home is stored in localfs that is persistent in browser’s data
I started exaequOS two years ago. It is a Unix-like operating system fully running in a web browser. You will find all the steps from the creation til now