Not to be confused with the notifications a user receives in the Notification Center (or push notifications), a notification is a message sent to one or more observing objects to inform them of an event in a program.
To do: explain what they are, how to use them and why they are useful.
- CFNotificationCenter [Archived 2014-06-03 at the Wayback Machine]
- notify [Archived 2014-06-04 at the Wayback Machine]
Darwin notifications are handled by notifyd.
List of Notification pages
Here is a list of notification pages that have been linked to from this wiki.