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2. Disk Utility - Wikipedia

   en.wikipedia.org/wiki/Disk_Utility

   Secure deletion of free space or disk using a "zero out" data, a 7-pass DOD 5220-22 M standard, or a 35-pass Gutmann algorithm; Adding or changing partition table between Apple Partition Map, GUID Partition Table, and master boot record (MBR) Restoring volumes from Apple Software Restore (ASR) images; Checking the S.M.A.R.T. status of a hard disk

3. CHKDSK - Wikipedia

   en.wikipedia.org/wiki/CHKDSK

   On Windows NT operating systems, CHKDSK can also check the disk surface for bad sectors and mark them (in MS-DOS 6.x and Windows 9x, this is a task done by Microsoft ScanDisk). The Windows Server version of CHKDSK is RAID-aware and can fully recover data in bad sectors of a disk in a RAID-1 or RAID-5 array if other disks in the set are intact. [11]

4. Trim (computing) - Wikipedia

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

   Because of the way that many file systems handle delete operations, by flagging data blocks as "not in use", [7] [8] storage media (SSDs, but also traditional hard drives) generally do not know which sectors/pages are truly in use and which can be considered free space. Contrary to (for example) an overwrite operation, a delete will not involve ...

5. List of data-erasing software - Wikipedia

   en.wikipedia.org/wiki/List_of_data-erasing_software

   Supported wipe methods Reports BleachBit: Andrew Ziem and contributors GNU General Public License: Windows, Linux: Yes external [1] on screen, Copy and Paste-able CCleaner: Piriform: Trialware: Windows, OS X: Yes external [2]? Darik's Boot and Nuke (DBAN) Darik Horn GNU General Public License: OS independent, based on Linux: No external [3]? dd ...

6. Disk formatting - Wikipedia

   en.wikipedia.org/wiki/Disk_formatting

   Formatting a disk for use by an operating system and its applications typically involves three different processes. [e]Low-level formatting (i.e., closest to the hardware) marks the surfaces of the disks with markers indicating the start of a recording block (typically today called sector markers) and other information like block CRC to be used later, in normal operations, by the disk ...

7. Data erasure - Wikipedia

   en.wikipedia.org/wiki/Data_erasure

   Data erasure (sometimes referred to as data clearing, data wiping, or data destruction) is a software-based method of data sanitization that aims to completely destroy all electronic data residing on a hard disk drive or other digital media by overwriting data onto all sectors of the device in an irreversible process. By overwriting the data on ...

8. 14 Best Free Cloud Storage Options - AOL

   www.aol.com/14-best-free-cloud-storage-234545340...

   Choose your free cloud storage provider wisely and you can find a free, encrypted, secure service that has the capacity you need for storing and sharing files of all kinds. Information is accurate ...

9. Gutmann method - Wikipedia

   en.wikipedia.org/wiki/Gutmann_method

   The Gutmann method is an algorithm for securely erasing the contents of computer hard disk drives, such as files.Devised by Peter Gutmann and Colin Plumb and presented in the paper Secure Deletion of Data from Magnetic and Solid-State Memory in July 1996, it involved writing a series of 35 patterns over the region to be erased.