OnyX

OnyX

OnyX running on OS X Yosemite with "Cleaning" pane open
Developer(s)	Joël Barrière Titanium Software
Stable release	Yosemite 2.9.6 (April 6, 2015 (2015-04-06)) [±] Mavericks 2.8.8 (November 25, 2014 (2014-11-25)) [±] Mountain Lion 2.7.4 (June 22, 2013 (2013-06-22)) [±] Lion 2.4.8 (August 19, 2011 (2011-08-19)) [±] Snow Leopard 2.3.0 (August 1, 2011 (2011-08-01)) [±] Leopard 2.0.6 (August 31, 2009 (2009-08-31)) [±] Tiger 1.8.6 (December 15, 2007 (2007-12-15)) [±] Panther 1.5.3 (May 16, 2005 (2005-05-16)) [±] Jaguar 1.3.1 (October 20, 2003 (2003-10-20)) [±]
Preview release	2.9.7 (April 1, 2015 (2015-04-01)) [±]
Operating system	Mac OS X
Available in	Multilingual
Type	Utilities, Maintenance, Optimization
License	Freeware
Website	Titanium Software

OnyX is a popular^[1] freeware utility for Mac OS X developed by French developer Joël Barrière that is compatible with both PowerPC and Intel processors. As a multifunctional tool for maintenance and optimization, it can control many basic Unix programs already built into OS X, including setting hidden preferences otherwise modified by using property list editors and the command line.^[2]

Features

Verify the structure of the file system on the start-up volume
Repair disk permissions
Configure certain parameters hidden from the system and from certain applications
Empty System, User, Internet, Font caches
Force Empty the Trash
Rebuild Launch Services, CoreDuet database, XPC Cache...
Rebuild Spotlight and Mail indexes

Development

Created in 2003 by Joël Barrière, a.k.a. Titanium, the program was originally meant to address its creator's personal needs. Developed using Xcode, Apple's software development environment (Cocoa + AppleScript Studio + Objective-C), OnyX is regularly updated by its author taking into consideration users' suggestions and requests. To do its job, the program uses OS X's standard Unix utilities, allowing their control through a graphical user interface without needing the command line. OnyX is freeware.

Versions

OnyX versions are specific to each version of Mac OS X and are not backward compatible. The program will not work correctly if used with an OS for which it was not designed.

Mac OS X 10.2 Jaguar: OnyX version 1.3.1
Mac OS X 10.3 Panther: OnyX version 1.5.3
Mac OS X 10.4 Tiger: OnyX version 1.8.6
Mac OS X 10.5 Leopard: OnyX version 2.0.6
Mac OS X 10.6 Snow Leopard: OnyX version 2.4.0
Mac OS X 10.7 Lion: OnyX version 2.4.8
Mac OS X 10.8 Mountain Lion: OnyX version 2.7.4
Mac OS X 10.9 Mavericks: OnyX version 2.8.8
Mac OS X 10.10 Yosemite: OnyX version 3.0.1
Mac OS X 10.11 El Capitan: OnyX version 3.1.3

The El Capitan (10.11) build is actively maintained. However, all previous versions in support of past operating systems are still available for download from the developer's website.^[3]

Version History

Color	Meaning
Red	Former official release
Green	Current official release
Blue	Current test release

Release history
Build Series	Version	Change Log
Yosemite	2.9.7	Verifying the disk when OnyX opens improved New Korean translation
	2.9.6	Graphical user interface improved Parameters pane reorganized Info pane improved New option: Reset Launchpad New option: Change the background image in the Login window New option: Show/hide Spotlight icon in the menu bar New option: Turn dark menu bar and Dock on or off using the Control-Option-Command-T hotkey New option: Set the speed of display of help tags Deleting the Internet cache improved Deleting the logs improved Deleting the Diagnostic Reports improved Restart and shut down routines modified Error management improved Indonesian translation added New Dutch translation New version integrated 3.8.8.3 of sqlite3 Help updated and improved
	2.9.5	New option: Rebuild the XPC Cache Deleting the logs improved New version integrated 3.8.8.1 of sqlite3 Turkish translation added Hungarian translation added Polish translation added Danish translation added Russian translation added Korean translation added Catalan translation added
	2.9.4	Checking SMART Status removed (too many problems . . .) Checking Preferences files removed (useless . . .) Removed the Verifying pane Structure of volume tab moved into the Maintenance pane Uninstallation improved Help updated
	2.9.3	Routine modified when checking the SMART status
	2.9.2	New version integrated 3.8.7.4 of sqlite3 Bug corrected when deleting the recent items Romanian translation added Misc. corrections in the Info pane
	2.9.1	Bug corrected when deleting the recent items Turning off/turning on the virtual memory function corrected DNS Cache correctly cleared now Deleting the Internet Cache improved Deleting the logs improved Progress bar improved Displaying the info corrected and improved New version integrated 3.8.7.2 of sqlite3 Checking SMART Status temporarily disabled Misc. minor corrections
	2.9.0	New version for Yosemite only

References

↑ "OnyX (Mavericks) for Mac". CNET. Retrieved 2015-10-03.
↑ Loeb, Larry (2005-04-29). "OnyX: Make OS X Spill the Beans". Retrieved 2015-10-03.
↑ "OnyX download section". Retrieved 2015-10-03.

External links

Official Site in English
(French) Official Site in French
"OnyX: Maintenance and optimization tool". MacUpdate. 2015-09-22.
Mark W. Shead (2006-06-16). "OnyX OSX Utility".

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