Nix setup runs commands from /etc/nix-setup.conf
This one only has a system wide installer since this utility is meant for a global setup script.
With this, you can have nix install packages, set aliases, or whatever for like a new user or even a current user
bash <(curl -s https://raw.githubusercontent.com/dnkmmr69420/nix-portable-utils/main/nix-setup/nix-setup-system-wide-installer.sh)
bash <(curl -s https://raw.githubusercontent.com/dnkmmr69420/nix-portable-utils/main/nix-setup/nix-setup-system-wide-uninstaller.sh)