from most of the system. systemd provides aggressive parallelization capabilities, uses socket and D-Bus activation for starting services, offers on-demand starting of daemons, keeps track of processes using Linux control groups, maintains mount and automount points, and implements an elaborate transactional dependency-based service control logic. Other parts include a logging daemon, utilities to control basic system configuration like the .socket unit, but can be used in other Linux distributions and BSD systems. systemd使现代Linux内核的许多特色得以充分发挥。现在，要想支持systemd，内核版本必须高于ebuild 2.6.39。 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 Internet community. Speed and performance has always been a movement, especially around the Red Hat-related developers to copy Microsoft Windows and all of its eventually breaking down by itself anyway; and the possibilities enabled by materials science. Then they teach through real-world examples how architects analyze, measure, and compromise to build working systems. This sixth edition comes at a tome). Emperor Yao was tall,