- How to securely erase mac before seling it how to#
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To enable TRIM, type in this command: sudo trimforce enableģ. And if you're a newb in using command prompt, then this post is all but indispensable to you.Ģ. This risk is made all the more glaring since Apple warns of using TRIM "at your own risk". It would be prudent for you to back up your files using Time Machine before you attempt to use TRIM to curtail any risk of accidental data loss. Yes, TRIM can delete the "not in use" space, but you have to manually enable this feature using the trimforce command in Terminal. The older HDDs don't have this luxury though. TRIM automatically clears the data in the allocated "not in use" space, making it possible for new data to be written in the said space. Anytime you delete a file on any type of drive (SSD or HDD), your macOS designates the space as "not in use." Macs that come with SSD also come with a tool called TRIM. It's considerably more difficult to securely delete files on the latter than the former, but it's not impossible. Some of them come with the more powerful and faster SDDs (Solid State Drives). Not all Macs come HDDs (Hard Disk Drives).
![how to securely erase mac before seling it how to securely erase mac before seling it](https://www.switchingtomac.com/wp-content/uploads/2020/02/format-disk.png)
Solution 2: Securely Delete Files Using TRIM Type this command into it and press "Enter/Return" to securely delete files: rm -P PrivateFile.txt (In the example you see up there, the file to be deleted is named "PrivateFile." When using Terminal to delete this file, type in the corresponding command then the name of the file (PrivateFile) in front of it. In the second drop-down menu, click on "New Terminal at Folder."ġ2. Click on "Services" found at the bottom of the drop-down menu you see.ġ1. Right-click on the folder but don't open it.ġ0. Navigate to the folder where the files to be securely deleted are.ĩ. If "New Terminal at Folder" within the "Services" category is unchecked, check it.Ĩ.
![how to securely erase mac before seling it how to securely erase mac before seling it](https://www.switchingtomac.com/wp-content/uploads/2020/02/open-disk-utility.png)
Look to the left and click on the "Services" you see in the small window.Ħ. Click "Shortcuts" located at the top of the dialogue window.ĥ. Initially, the same command was used to get rid of files and folders but Apple removed this feature from their operating systems beginning with macOS Sierra.īut since people and developers alike love tinkering and tweaking with computers, a means to bypass the srm command was found: Using the rm command.Ĥ. To securely delete files, you only have to type in certain commands in the Terminal window and hit the "Enter/Return" key. Solution 1: Secure Delete Files with Mac Terminalįor the sake of brevity, Mac Terminal can simply be defined as a powerful tool that allows you to control your Mac via command prompt. You don't have to worry about how effective each is because they all get the job done. You can easily make use of any of the three options, but you are advised to settle with the one which appeals to you the most. As you would expect, Mac gives you several options on making sure that embarrassing photo you took during summer vacation will never be seen by prying eyes. What's better than one way to securely delete files? THREE ways to securely delete files. Part 2: Top 3 Ways to Securely Delete Files on Mac This ensures a drive that will perform better and last longer. It is thus better to follow a simple procedure to securely delete the files you don't need, all of them, if necessary, then to format the drive.
How to securely erase mac before seling it driver#
Prevents Hard Driver Errors – It's been proven that sometimes, formatting your drive manually can lead to errors that pile up to damage your drive.
How to securely erase mac before seling it software#
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There is often an advantage and disadvantage to everything and securely deleting files is certainly no exception. Part 1: Why to Securely Delete Files on Mac Part 4: Tips for Securely Erasing Files on Mac.
How to securely erase mac before seling it how to#