The application also offers options for deleting Trash contents, directory service cache, and log files, which can consume serious disk allocations over time. The free utility provides a simple (and to so many Windows users a familiar) interface for removing Internet cache files, Internet histories, cookies and even download histories, and not only within Safari but also for the Firefox and Google Chrome browsers. Some administrators and users are surprised to learn there's a Mac version, too.

Piriform's CCleaner has long proved popular on the Windows platform. Thankfully, several applications are available to help.

Most users fail to regularly clean their systems, which can lead to storage and performance issues. One fact you can wield confidently is Macs collect detritus as they age.

Occasionally, though, repetitive experiences result in understanding. The school of hard knocks doesn't employ graceful and forgiving teachers. Technology professionals learn many difficult lessons.