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  2. 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 ...

  3. Disk Utility - Wikipedia

    en.wikipedia.org/wiki/Disk_Utility

    The ability to "zero" all data (multi-pass formatting) on a disk was not added until Mac OS X 10.2.3. [5] Further changes introduced in Mac OS X Tiger, specifically version 10.4.3, allowed Disk Utility to be used to verify the file structure of the current boot drive. Mac OS X Leopard added the ability to create, resize, and delete disk partitions

  4. Data erasure - Wikipedia

    en.wikipedia.org/wiki/Data_erasure

    According to the University of California, San Diego Center for Magnetic Recording Research's (now its Center for Memory and Recording Research) "Tutorial on Disk Drive Data Sanitization" (p. 8): "Secure erase does a single on-track erasure of the data on the disk drive. The U.S. National Security Agency published an Information Assurance ...

  5. 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 ...

  6. 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 ...

  7. Data remanence - Wikipedia

    en.wikipedia.org/wiki/Data_remanence

    Data remanence is the residual representation of digital data that remains even after attempts have been made to remove or erase the data. This residue may result from data being left intact by a nominal file deletion operation, by reformatting of storage media that does not remove data previously written to the media, or through physical properties of the storage media that allow previously ...

  8. Poll: Majority of Americans support Trump's plan to declare ...

    www.aol.com/poll-majority-americans-support...

    (The Center Square) – A majority of Americans support President-elect Donald Trump's plan to declare a national emergency over the border crisis, according to a new poll.

  9. Darik's Boot and Nuke - Wikipedia

    en.wikipedia.org/wiki/Darik's_Boot_and_Nuke

    The program is designed to securely erase a hard disk until its data is permanently removed and no longer recoverable, which is achieved by overwriting the data with pseudorandom numbers generated by Mersenne Twister or ISAAC.

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