OnyX 可以帮助你检视启动的磁盘信息和文件系统的结构信息，而且可以运行很多的系统维护子程序，比如配置Finder,Dock, Dashboard, Exposé, Safari, Login window中的一些隐藏的功能。


OnyX is a multifunction utility that you can use to verify the structure of the system files, to run miscellaneous maintenance and cleaning tasks, to configure parameters in the Finder, Dock, Safari, and some Apple applications, to delete caches, to remove certain problematic folders and files, to rebuild various databases and indexes, and more.
OnyX is a reliable application which provides a clean interface to many tasks that would otherwise require complex commands to be typed using a command-line interface.
WARNING:
There is a specific version of OnyX for each major version of the operating system.
Use the specific version, and don’t try to use a non-compatible version.
What’s New:
Version 3.9.2:
Improved compatibility with the Apple M1 chip
Issue corrected that occurred with the Mailboxes in Mail option in the Maintenance pane
Compatibility: OS X 10.14 or later