The only thing a user really needs to remember these days is to keep around 20% of the hard drive empty so that there is room for temporary files and other operational and self-maintenance routines like swap files, auto-defragging, and local Time Machine backups. Just use your Mac normally and it will take care of itself. It is used for troubleshooting and customization. Onyx is not really needed for maintenance.

They provide access to many features that are not exposed in OS X's own preferences, like how fast you want sheets to appears or setting the location and format for how you want screen shots to be saved. Onyx and similar utilities have another function: Customization. But those actions are not normally needed under typical use. If there is something not quite right with the Mac in a certain area, like fonts, Onyx and other utilities can sometimes have tools that can help, like rebuilding the font cache. Onyx and others are good for troubleshooting, though. Some old users may keep thinking you need to run maintenance programs, but newer Macs don't need them. Mike Hair Designers Swenie's Swift's Dry Cleaner & Laundry TG & Y Stores Co. Over the years, Apple has improved OS X so that newer versions can do those routines automatically. OBP Food Systems Corp Office Machines and Equipment co Onyx Oil Co.

Years ago, there were some maintenance routines that were a good idea to to. Maintenance ('cleaning'), and troubleshooting. There are two concepts that a lot of computer users confuse together.

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