Mac Os X Erase Free Space

If you are planning to sell your Mac or giving it to a third person for permanent use, then you must erase the hard drive first. This is how you can prevent your data falling into wide of the mark hands.

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Delete your temp files. When it comes to wasting space on your scratch disk, the worst culprit is often Photoshop's own temp files. If Photoshop isn't going to get rid of them, I guess you’re going to have to do the job yourself. Option 2: erase hard drive under OS X 10.10 Yosemite. 'Erase Hard Drive' can help you permanently erase a hard drive or device to permanently erase all data on the hard drive or device – all data on the hard drive will be permanently erased. Option 3: erase free disk space in OS X 10.10 Yosemite. The “as space permits” bit is the key here. When less than 20 percent of the space on your Mac’s startup disk is available — or if less than 5 GB of space is available — your Mac will start automatically purging the oldest Time Machine local snapshots to free up space. When it comes to Mac cleaners, you would be hard-pressed to find a more popular solution than CleanMyMac X by MacPaw. This feature-packed app boasts a polished user interface and a whole host of useful cleaning features, making it possible to get rid of junk in all corners of your macOS with a single click. To wipe your drive using Erase Freespace: Click Tools, and then click Erase Free Space. Select the volume whose free space you want to erase. Choose the type of security you require ( see here for more information about erase methods) Click Erase Free Space.

In case, you are using a newer Mac with an SSD, then you have to take extra care.

You can easily ensure in several ways that data saved on your traditional hard drive is securely deleted. But, they do not really help if you have an SSD. As your SSD won’t fall into the category of a hard drive.

AboutSecurely Erasing SSD:

If your Mac comes with an SSD, Apple’s Disk Utility won’t let you to securely erase the SSD. Yes, Secure Erase and Erasing Free Space options are not available in Mac Disk Utility.

People say these options are not required for an SSD since a standard erase itself is enough potential to make SSD data recovery hard. And, some says securely erasing an SSD, can cause wear and tear on its memory cells which affect the drive’s reliability and performance.

Leaving all these discussions, if you just want to securely erase free space on your SSD then here are two different ways you can try. Vb6 missing microsoft dts package object library.

Before you getting started with it, let me tell something that “this is not really needed; as Apple itself made so hard to secure erase an SSD. But, if you are set on it then, give a second thought to your mind and proceed.

How to Securely Erase a Mac SSD?

Method 1: Steps to Securely Erase a Mac SSD from Terminal

Step 1: Open Applications folder and switch to Utilities folder.

Step 2: Run the Terminal application.

Step 3: Type diskutil secureErase freespace VALUE /Volumes/DRIVE and hit Enter key

Note: Type a number between 0 and 4 in place of VALUE. 0 for single-pass run of zeroes, 1 for single-pass run of random numbers, 2 for 7-pass erase, 3 for 35-pass erase, and 4 for 3-pass erase. Replace DRIVE with the name of your SSD. To run a 7-pass erase in “Peters-Macbook”, use diskutil secureErase freespace 2 /Volumes/Peters-Macbook code.

And if, there is a space in the name of your drive, use a backslash instead of each space (for instance to denote Mac Drive -> Mac Drive).

Method 2: Steps to Securely Erase a Mac SSD Using Disk Utility

Step 1: Reboot Mac, hold the OPTION key and select Recovery partition.

Step 2: Next, in OS X Utilities menu click on Disk Utility.

Mac Os X Erase Free Space Download

Step 3: Select the SSD primary partition and choose Erase option.

Mac Os X Deleting Files Doesn't Free Space

Step 4: Under Format, opt for Mac OS Extended (Journaled, Encrypted).

Add-On: Have you accidentally formatted a wrong volume or drive on your Mac machine? Then, try Yodot Mac Data Recovery and unformat the Mac drive or volume easily.

Step 5: Hit Erase button, and set encryption password.

Step 6: Wait till your drive gets erased and encrypted. It takes time, depending on type, size, and speed of the drive.

How To Wipe Free Space

Step 7: Next opt Disk Utility and choose Mac OS Extended (Journaled).

How To Wipe A Mac Hard Drive

Now, Erase Free Space and Security Options are accessible (they are not grayed out).

Step 8: Click on Security Options and select 35-Pass Erase.

Step 9: Hit the OK button and wait until completion of the process.

Free Space On A Mac

I ran a 35 pass free space erase on my power book g4 it finished and everything was working fine. so then i just decided to restart my computer and now it wont boot its stuck on the grey screen with the spinnning wheel. so far ive tried booting it from the 10.3 disk i got with my powermac g5 but that didnt work. and ive tried booting it from the single user mood and nothing happens it just goes to the apple grey screen with spinning wheel. i dont have the 10.4 disk and dont wanna but it if it doesnt work. any help would be appreciated.

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