Open Activity Monitor to see the before and after results yourself, you’ll find dramatic changes at the “Free”, “Used”, and “Inactive” meters under System Memory. Note: some versions of OS X may not require you to prefix the purge command with sudo, while running with sudo will require authentication, like so:
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$9.99 - Download Now (opens in new tab) Onyx You can identify files that are in the Other storage category and drag them to the delete box. $39.99 - Download Now (opens in new tab) DaisyDiskĭaisyDisk scans your Mac and gives you a pie chart that makes it easy to see what files are using up the most space. CleanMyMac provides a one-button purge of everything associated with that app. Sometimes, you'll end up with a couple of files left behind by an app when you delete it. My favorite is the recommendation to delete all content related to an application. It's a lot like Apple's Optimized Storage, but with a few additional features. It scans your entire system and recommends files you should delete based on how old they are and whether they are considered unnecessary to your workflow.
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With CleanMyMac, you have easy access to a list of features that help you keep your Mac free of unnecessary junk. While you don't need any third-party app to "clean" your Mac, there are some very handy system access tools out there that make it easier to regularly remove unwanted files.
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How to delete an iPhone or iPad backup from iTunes Third-party software that can help Backups take up 4-5GB each, on average there's no need to hold on to older device backups if you no longer have the device or have it stored in iCloud.
If you tend to get new iOS devices fairly regularly, you may have unnecessary device backups stored on your computer via iTunes. How to delete old device backups in iTunes
If you want to save a file from the Downloads folder but don't want it clogging your drive, consider moving it to an external hard drive or flash drive, or uploading it to an online storage option like Dropbox.