- Find a gnome tweak/extension for it.
- Plug and play. Fedora, Opensuse, Ubuntu.
- Arch derivatives I believe.
- Easily.
- Root here is the superused, like admin.
- Its not recommended to switch DEs of the same distro as you may encounter problems. Better see witch DE and distro you like and download it.
- Wayland is a window management standard, all serious distros use it. Docker is a technology and encapsulates all the components to run an instance of an OS for certain specific tasks. Docker is cross OS(works in all OSs)