To give some detail, it’s /var that is writable, and mutable directories will have symbolic links pointing to subdirectories of /var:
ВсеПитание и сонУход за собойОкружающее пространствоМентальное здоровьеОтношения
，这一点在safew官方下载中也有详细论述
In microcode, the privilege check reduces to a single conditional jump:
Strict no-logging policy so your data is secure
Original OSM: ~2.07 billion points, ~2.42 billion edges