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2. Disk Utility - Wikipedia

   en.wikipedia.org/wiki/Disk_Utility

   Mac OS X Leopard added the ability to create, resize, and delete disk partitions without erasing them, a feature known as live partitioning. In OS X El Capitan , Disk Utility has a different user interface and lost the abilities to repair permissions due to obsolescence , [ 6 ] create and manage disks formatted as RAID , burn discs, and multi ...

3. List of data-erasing software - Wikipedia

   en.wikipedia.org/wiki/List_of_data-erasing_software

   Disk Utility: Apple: Commercial proprietary software: OS X: Yes external [6]? Eraser: Heidi Computers Limited GNU GPL v3: Windows: Yes external [7]? HDDerase: University of California, San Diego: Freeware: OS independent, based on DOS: No internal [8]? hdparm: Mark Lord BSD license: Linux: Yes internal [9] not directly supported without ...

4. List of built-in macOS apps - Wikipedia

   en.wikipedia.org/wiki/List_of_built-in_macOS_apps

   Disk Utility is a system utility for performing disk and disk volume-related tasks. It can create, convert, backup, compress, and encrypt logical volume images from a wide range of formats, mount or unmount disk volumes, verify a disk's integrity and repair it if damaged, and erase, format, partition, or clone disks.

5. File deletion - Wikipedia

   en.wikipedia.org/wiki/File_deletion

   Most file systems only remove the link to data. But even overwriting parts of the disk with something else or formatting it may not guarantee that the sensitive data is completely unrecoverable. Special software is available that overwrites data, and modern (post-2001) ATA drives include a secure erase command in firmware.

6. Comparison of S.M.A.R.T. tools - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_S.M.A.R.T._tools

   Sister utility to CrystalDiskMark. Has AAM/APM control. Defraggler: Windows: Freeware: GUI IDE(PATA), SATA eSATA, USB No Yes No No Primarily a defragmenter; supports basic S.M.A.R.T. stat display, includes the one-word summary of drive-health. Disk Utility: macOS: Commercial proprietary: GUI Yes eSATA and removable drives ? No No No

7. Trim (computing) - Wikipedia

   en.wikipedia.org/wiki/Trim_(computing)

   Since an erase of the cells in the page is needed before it can be written to again, but only entire blocks can be erased, an overwrite will initiate a read-erase-modify-write cycle: [7] [12] the contents of the entire block are stored in cache, then the entire block is erased from the SSD, then the overwritten page(s) is written into the ...

8. Disk First Aid - Wikipedia

   en.wikipedia.org/wiki/Disk_First_Aid

   Disk First Aid is a very simple tool, with it only being able to detect and repair directory damage [3] and many books are critical of its sometimes inaccurate reporting of errors, and often suggest to run the tool more than once to ensure a consistent result. [3] [4] [5] Disk First Aid is located in Applications:Utilities:Disk First Aid. [4]

9. Data erasure - Wikipedia

   en.wikipedia.org/wiki/Data_erasure

   Data erasure tools can also target specific data on a disk for routine erasure, providing a hacking protection method that is less time-consuming than software encryption. Hardware / firmware encryption built into the drive itself or integrated controllers is a popular solution with no degradation in performance at all.