nix shell

Start a shell in which the specified packages are available. See also: tldr nix-shell. See tldr nix3 flake for information about flakes. More information: https://nixos.org/manual/nix/stable/command-ref/new-cli/nix3-shell.html.

nix shell nixpkgs#pkg1 nixpkgs#packageSet.pkg2 ...

nix shell nixpkgs/nixos-21.05#pkg

nix shell -L

nix shell github:owner/repo#pkg

nix shell nixpkgs#pkg -c some-cmd --someflag 'Some other arguments'