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  2. Wear leveling - Wikipedia

    en.wikipedia.org/wiki/Wear_leveling

    Wear leveling (also written as wear levelling) is a technique [1] for prolonging the service life of some kinds of erasable computer storage media, such as flash memory, which is used in solid-state drives (SSDs) and USB flash drives, and phase-change memory. There are several wear leveling mechanisms that provide varying levels of longevity ...

  3. Data recovery - Wikipedia

    en.wikipedia.org/wiki/Data_recovery

    The most common data recovery scenarios involve an operating system failure, malfunction of a storage device, logical failure of storage devices, accidental damage or deletion, etc. (typically, on a single-drive, single-partition, single-OS system), in which case the ultimate goal is simply to copy all important files from the damaged media to another new drive.

  4. Write amplification - Wikipedia

    en.wikipedia.org/wiki/Write_amplification

    [33] [34] Many tools use the ATA Secure Erase command to reset the drive and provide a user interface as well. One free tool that is commonly referenced in the industry is called HDDerase . [ 34 ] [ 35 ] GParted and Ubuntu live CDs provide a bootable Linux system of disk utilities including secure erase.

  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. RAM drive - Wikipedia

    en.wikipedia.org/wiki/RAM_drive

    RAM drives use normal system memory as if it were a partition on a physical hard drive rather than accessing the data bus normally used for secondary storage. Though RAM drives can often be supported directly in the operating system via special mechanisms in the OS kernel, it is generally simpler to access a RAM drive through a virtual device ...

  7. Solid-state storage - Wikipedia

    en.wikipedia.org/wiki/Solid-state_storage

    RAM drive – a block of random-access memory that the operating system treats as if it were secondary storage; Sequential access memory – a class of data storage devices that read stored data in a sequence; Wear leveling – a technique for prolonging the service life of some kinds of erasable computer storage media, such as flash memory

  8. USB - Wikipedia

    en.wikipedia.org/wiki/USB

    However, the SuperSpeed USB part of the system still implements the one-lane Gen 1×1 operation mode. Therefore, two-lane operations, namely USB 3.2 Gen 1×2 (10 Gbit/s) and Gen 2×2 (20 Gbit/s), are only possible with Full-Featured USB-C. As of 2023, they are somewhat rarely implemented; Intel, however, started to include them in its 11th ...

  9. Trim (computing) - Wikipedia

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

    Regardless of operating system, the drive can detect when the computer writes all zeros to a block, and de-allocate (trim) that block instead of recording the block of zeros. If reading a de-allocated block always returns zeros, this shortcut is transparent to the user, except for faster writing (and reading) of all-zero blocks, in addition to ...