Summary

Several system-wide services are provided to OS X applications, including the data detectors facility, text-editing controls, Share facility, Fonts panel, Color panel, and notifications service. How applications transmit their notifications can be configured in the Notifications system preference.

OS X comes with 40 application services that are available contextually in the Services menu option in the Finder's and in applications' menus. The default services fall into seven groupings: Development, Files and Folders, Internet, Messaging, Pictures, Searching, and Text. Services display contextually, based on what application they were chosen from and what is selected. Most work with text, so they require that text be selected to become available.

You can control which application services are available in the Services subpane of the Keyboard Shortcuts pane in the Keyboard system preference.

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