Document Revision History

This table describes the changes to Daemons and Services Programming Guide.

Date	Notes
2016-09-13	Updated to remove outdated logging guidance and link to the unified logging reference documentation.
2014-07-15	Corrected code listing to whitelist both NSArray and FrenchFry.
	See Whitelisting a Class for Use Inside Containers.
2013-10-22	Improved documentation for NSXPCConnection.
2012-07-23	Added conceptual documentation for NSXPCConnection.
2012-01-09	Minor updates.
2011-08-26	Updated coverage of XPC services.
2011-06-30	Updated for OS X v10.7, including discussion of XPC services. Changed the title from "System Startup Programming Topics."
	Moved material related to kernel extensions and the early boot process to Kernel Programming Guide.
	Various structural and organizational changes throughout.
2008-11-19	Miscellaneous edits.
2007-02-08	Clarified the explanation of launchd daemons versus startup items.
2006-11-07	Added mention of prelinked kernels and helper partitions.
2006-10-03	Added information about Intel booting, launchd, and asl (logging).
2005-08-11	Updated guidance for customizing login and logout. Updated information pertaining to Startup Item property-list files.
2005-04-29	Updated for OS X v10.4. Updated login/logout customization information.
	Added information about launch-on-demand daemons.
	Updated information related to the use of startup items.
2003-08-07	First revision of this programming topic. Some information in this programming topic originally appeared in System Overview.