Nix

NixEnv

• nix-env -q: do a research
• nix-env -i: install a package
• nix-env -e: remove a package

Nix garbage

• nix-collect-garbage: launch the garbage collector

Nix-shell

Specify the wanted packages

nix-shell -p <package list>

Execute in a pure environment

This unset the environment variables

nix-shell --pure