All distros

NixOS

Your whole system defined in config files: reproducible, rollback-friendly, with stable releases twice a year and a rolling unstable branch.

Best for: Tinkerers and developers who want a fully reproducible setup.

Base
Independent
Package manager
nix
Release model
declarative
Difficulty
advanced
Desktops
Your choice

Pros

  • Reproducible system
  • Easy rollbacks
  • Deep customization

Worth knowing

  • Steep learning curve
  • Unlike other distros, so tutorials often don't apply

Last verified October 28, 2026 (high confidence). Confirmed via NixOS wiki: declarative configuration, atomic upgrades and rollbacks, stable releases in late May and late November.

Sources