If you mean use both at the same time, you can! If you check out the website for Nix (or Guix, its Lispy cousin), instructions are provided for installing it alongside your current distro as an additional package manager for those who want to use it without reinstalling or using a vm.
If you mean use both at the same time, you can! If you check out the website for Nix (or Guix, its Lispy cousin), instructions are provided for installing it alongside your current distro as an additional package manager for those who want to use it without reinstalling or using a vm.