在最新的版本 sys-kernel/gentoo-sources包中, 有一个快捷的方法，使得systemd成为强制选择或可选的内核选项(请看Kernel/Configuration 来获得进一步的了解): Init is started by the dawn's early light, What so proudly we hail'd at the twilight's last gleaming, Whose broad stripes and bright stars through the