NixOS

NixOS is a unique Linux distribution known for its declarative approach to system configuration using the Nix package manager. It allows users to specify their system configuration in a reproducible way. NixOS is suitable for users who value a functional package management system and want precise control over their system configuration. NixOS uses an immutable design and an atomic update model. One of NixOS's most distinguishing features is the ability to declaratively configure the whole system. This is done by specifying a configuration file which specifies the entire system state, including which packages should be installed and all the various system settings and options.