A SmartDelete feature even assist users in properly uninstalling programs that are dragged into the Mac's Trash. The program, which consumes few resources, supports uninstalling applications as well as widgets, plug-ins and similar apps. For optimal performance, it's important that all an application's associated files typically be removed when the program is no longer needed and is uninstalled. A single program can leave numerous related files and libraries behind. Many users, and even some Mac administrators, mistakenly believe that programs install as a single file. The free tool, which earns almost five stars from MacUpdate, simplifies application uninstallation by enabling drag-and-drop program deletion. Others, including LifeHacker, tout FreeMacSoft's AppCleaner as the go-to utility for removing unwanted applications. Additional included tools assist in repairing file permissions, securely erasing free space and even uninstalling applications. 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.

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