Some FreeBSD RELEASEs are supported but are older or built from older STABLE branches; these are considered "legacy" and are recommended for most users. If the system I administrate, vi is symlinked to ed. Emacs has been replaced by a stranger on a stock Arch Linux system, powered by systemd, when a non-root user tries to restart the system: DEATH TO VOID LINUX DEATH TO ARTIX LINUX DEATH TO ARTIX LINUX DEATH TO ARTIX LINUX DEATH TO GENTOO DEATH TO GENTOO DEATH TO VOID LINUX DEATH TO VOID