GNOME的shutdown命令

我使用GNOME Shell右上角的图标来关闭我的系统。

哪个命令用于关闭系统？

• halt
• shutdown -h now
• 完全不同的东西？

Answer 1

用于关闭的命令是：

 dbus-send --system --print-reply --dest=org.freedesktop.login1 /org/freedesktop/login1 "org.freedesktop.login1.Manager.PowerOff" boolean:true 

为了理解

man systemd-logind

 systemd-logind is a system service that manages user logins. It is responsible for: · Keeping track of users and sessions, their processes and their idle state · Providing PolicyKit-based access for users to operations such as system shutdown or sleep · Implementing a shutdown/sleep inhibition logic for applications · Handling of power/sleep hardware keys · Multi-seat management · Session switch management · Device access management for users · Automatic spawning of text logins (gettys) on virtual console activation and user runtime directory management 

现在阅读systemd / logind wiki http://www.freedesktop.org/wiki/Software/systemd/logind/