NixOS
linuxLinux distribution built on top of the Nix package manager, enabling declarative, reproducible system configurations
Pronunciation
Correct
NIKS-oh-ess
/ˈnɪksˌəʊˌɛs/
'Nix' is derived from the Latin 'nix' (snow) and also alludes to Unix. Pronounced 'nix' rhyming with 'picks', followed by 'OS' spelled out as letters O-S.
Source: nixos.org(official docs)