NixEnv
nix-env -q
: do a researchnix-env -i
: install a packagenix-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