System
nvd
Compare Nix generations (what changed).
NixOS
Verified: 2026-05-11
Syntax
$nvd [COMMAND] [OPTIONS]
Examples
$nvd diff /run/current-system /nix/var/nix/profiles/system-123-link
$nvd list-generations
Typical use cases
?
Standard usage
nvd --help
Note
Useful during upgrades to inspect package differences between generations.
Export