Uninstalling applications in Mac OS X couldn’t be simpler – just delete the application by moving its icon to the Trash. For example, Pages is 266 MB and iPhoto a whopping 1.1 GB. In Mail, trash and junk emails can be automatically deleted by setting the relevant options in preferences.Īpplications can take up large amounts of space. There’s no need to keep your Mac’s Trash can full, especially if you make regular backups of your files. Remember that individual applications such as iMovie, iPhoto and Mail each have their own Trash, so empty those frequently too. The most obvious and easy way to free up some space is to empty the Trash. About This Mac shows how much space is available on your hard disk A summary of each category is shown, which may help you to decide how best to reclaim disk space. These procedure can take a little longer than both the read and the write operations themselves, and in the mean time the drive might report to the system that it no longer has any space available to store data, which can result in your system booting slowly or not being able to boot at all.To check how much space you are using for different categories such as audio, movies, photos and applications, select About This Mac from the Apple Menu, click the More Info button followed by the Storage tab. On some SSD drives, once data is written the system will need to perform operations to free it. In addition, such an operation might cause your system to no longer work properly.
Overall this would just wear out the SSD faster and result in a premature degradation of the drive's performance. If you were to erase the free disk space on an SSD, you would force the system to unnecessarily write not only to locations where data previously was stored, but also to fresh locations on the drive that have not yet been used. To combat this problem, SSD manufacturers implement techniques called "wear leveling," which distribute write operations through the available memory chips and extend the life of the drive by ensuring they all get used evenly. Solid-state technology has the benefit of being exceptionally fast however, the storage blocks in the NAND memory chips have a finite number of write operations that can be performed before they will no longer hold data reliably.
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