Voyager has a built-in option for kaomoji and it puts 3 backslashes for it

It doesn’t need to know your age. It just provides a way to take a note of your birth date, only if you want to. The system already has a place to write your name and home address. All are optional and practically nobody uses them.

Your right arm is missing

Systemd isn’t an init system. Systemd-init is an init system and it is a part of the systemd suite.