How to Delete Files on Mac? – Permanently Delete Trash!


 

We all have heard about the popular iCloud hack in which celebrity photos were leaked. The growing use of technology has made our data more vulnerable than ever. However, there is no denying the increased importance of digital information and related data.

Can’t delete files because the disk is an entire Mac?

To delete files when your Mac’s disk is entire, do the following steps:

  • Boot up Mac in Safe Mode using the SHIFT key during Mac startup
  • Press “option+command+delete” to Bypass the Trash when you delete files
  • Open Disk Utility and repair your startup disk
  • Hold “T” to Access your data using Target Disk Mode
  • Erase your startup disk
  • Reinstall macOS

How to empty trash on an external hard drive Mac?

  • Right-click the trash icon on your Dock
  • Click “Empty Trash.”

But if you have a flash drive in that case:

How to delete files from a flash drive on a Mac?

  • First, Plug the Flash Drive into the iMac
  • Open “Applications> Utilities> Disk Utility”
  • Select the flash drive in the left column and highlight it.
  • Click on “Erase” in the upper right tab.
  • Confirm Erase.
  • Drag and drop files into the trash

How do you Secure empty trash on a Mac?

If you see that emptying the trash on your Mac takes forever, you need to Set Empty Trash as your Mac’s default setting. Then, go to Finder > Preferences > Advanced Tab and check or uncheck Empty Trash Securely.

 

So, when you are planning to give away or resell your Mac, it is natural to feel concerned about the security of your data. Alternately, you may have thought about a situation of your Mac’s theft and cannot help getting apprehensive about your data falling into the wrong hands. Either way, you are eager to know how your files or trash can be permanently deleted. There is more than one way to carry out the task. Depending upon your Mac’s storage system, you can use an application like CleanMyMac or select the permanent deletion option from your Trash app.

Does emptying trash speed up Mac?

Emptying trash can speed up Mac, but only if you have less than 10% disk space. If you have a lot of space on disk and your Mac works slowly, the problem is something else. OS X needs some free space to move Mac files around.

The last thing anyone would want to experience is having their Mac hacked and private data accessed. So given is an overview of ways to identify your Mac’s storage system and methods to delete data from both irrevocably:

How is SSD-based Mac Different from HDD-based Mac?

The previous Apple Macs came with the typical spinning HDD (hard disk drive), making absolute deletion problematic. However, modern iMac models generally have fusion drives or flash storage, such as SSDs. Flash memory makes it easier to get rid of the files permanently.

SSDs are considered more durable and efficient, and less energy is consumed than traditional HDDs. How SSD functions are distinct as here, Mac’s internal drive draws upon TRIM command. Unlike the conventional hard drives that frequently cause system slowdowns, SSD uses TRIM to let the system eliminate redundant data blocks. The latter does this when you remove the files using the option ‘Empty Trash’ or shortcuts like ‘Command + Opt + Backspace’ or ‘Command + Del.’ With this technique, the process of data accessibility is speeded up alongside making the data retrieval infeasible in the system.

On the other hand, in HDD-based Macs, you can reverse the deletion using a data recovery application unless your files are completely overwritten. While the system’s main motive was to help retrieve files a person may have accidentally removed, some people use it to recover private data from another person’s Mac. So, your files can still be recovered even if you have emptied the recycle bin or performed the same operation using other methods.

How do you know whether your Mac is SSD- or HDD-based?

This depends upon the kind of Mac model you are using. Different versions of Macs, such as the iMac, Mac Mini or Pro, MacBook Air or Pro, etc., use different types of storage mediums. Today, most MacBooks are equipped with SSDs, but some iMac versions allow you to select between Flash Storage and Fusion Drives.

To check your Mac’s storage system, navigate to the ‘Apple’ logo in the screen’s upper left corner. Here, click on ‘About This Mac’ and choose ‘Storage’ under the disk icon. You will notice a line describing the system running on a spinning disk hard drive or solid-state SATA drive.

How do you permanently delete trash on a Mac?

To permanently delete the trach on a Mac, do the following steps:

  • Find the Finder icon in the Dock
  • Then, choose Finder > Empty Trash.

Below is a detailed description of the techniques to erase trash files in SSD and HDD-based Mac:

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Permanent Deletion on Mac with SSD

In an SSD-based Mac, it is pretty straightforward to do away with trash permanently. All you need to do is right-click to delete the unwanted files or drag them to the Trash bin. Then, go to the ‘Trash’ icon and select ‘Empty Trash’ or ‘Delete Permanently.’

Further, if you still feel anxious about the absolute deletion of your files, you can use CleanMyMac to ensure 100% non-recovery of deleted data. This software has a free trial and costs $39.99 for annual usage. Follow the given steps to erase the data with CleanMyMac:

  • Firstly, download and install the application ‘CleanMyMac’ on your Mac.
  • Next, launch the app and select the feature ‘Shredder’ present in the app’s lower-left corner.
  • Choose the folders and files that you wish to remove, and proceed.

 

Permanent Deletion on Mac with HDD

In the case of an HDD-based Mac, you will need to utilize a third-party shredder application. We also recommend CleanMyMac as the best software for permanent deletion. However, if you want specialized file shredder software, you can go for BitRaser—a professional utility for data deletion that turns trash files wholly unrecoverable.

Final Tips

Permanent deletion from Mac is worth the effort when you want to prevent the leakage of your sensitive or private data. As illustrated above, the exact procedure for absolute removal varies according to the Mac’s storage media. Lastly, you can always back up the critical files before performing the above functions.

Igor Milosevic
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