macos 如何从 os x 终端启动屏幕保护程序（并锁定屏幕）？
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how can i start the screensaver (and lock the screen) from the os x terminal?
提问by dan
Is there a way to start the screensaver (and lock the screen) from a bash script?
有没有办法从 bash 脚本启动屏幕保护程序（并锁定屏幕）？
回答by yurymik
Have you tried this?
你试过这个吗？
/System/Library/Frameworks/ScreenSaver.framework/Resources/ScreenSaverEngine.app/Contents/MacOS/ScreenSaverEngine
Update for macOS High Sierra:
macOS High Sierra 更新：
/System/Library/CoreServices/ScreenSaverEngine.app/Contents/MacOS/ScreenSaverEngine
回答by rouble
Here is a bash script that does exactly what you are asking for: maclock
这是一个 bash 脚本，它完全符合您的要求：maclock
It is called from the command line as follows:
它是从命令行调用的，如下所示：
maclock
Under the covers it calls:
在幕后，它调用：
open -a ScreenSaverEngine
It can also be used to mute the system, or put the display to sleep:
它还可用于使系统静音，或使显示器进入睡眠状态：
maclock --mute --display
