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  2. vol (command) - Wikipedia

    en.wikipedia.org/wiki/Vol_(command)

    Drive: This command-line argument specifies the drive letter of the disk for which to display the volume label and serial number. Note: On Windows, the volume serial number is displayed only for disks formatted with MS-DOS version 4.0 or later. OS/2 allows the user to specify more than one drive. The vol command displays the volume labels ...

  3. Hard disk drive - Wikipedia

    en.wikipedia.org/wiki/Hard_disk_drive

    A hard disk drive (HDD), hard ... While areal density advances by increasing both the number of tracks across the disk and the number of ... It is a serial protocol ...

  4. Serial Storage Architecture - Wikipedia

    en.wikipedia.org/wiki/Serial_Storage_Architecture

    Serial Storage Architecture (SSA) was a serial transport protocol used to attach disk drives to server computers.It was developed by IBM employee Ian Judd in 1990 to provide data redundancy for critical applications.

  5. Volume (computing) - Wikipedia

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

    The volume serial number is a 32-bit number determined by the date and time on the real-time clock on the current computer at the time of a disk's formatting. Previously, determination by the OS of whether a disk was swapped was done by reading the drive's volume label. However, even at that time the volume label was not required to be unique ...

  6. World Wide Name - Wikipedia

    en.wikipedia.org/wiki/World_Wide_Name

    The first 2 bytes are either hex 10:00 or 2x:xx (where the x's are vendor-specified) followed by the 3-byte OUI and 3 bytes for a vendor-specified serial number. Thus, the difference between NAA 1 format and NAA 2 format is merely the presence of either a zero pad or an extra 3 nibbles of vendor information.

  7. Hard disk drive interface - Wikipedia

    en.wikipedia.org/wiki/Hard_disk_drive_interface

    The earliest hard disk drive (HDD) interfaces were bit serial data interfaces that connected an HDD to a controller with two cables, one for control and one for data. [a] An additional cable was used for power, initially frequently AC but later usually connected directly to a DC power supply unit. The controller provided significant functions ...

  8. List of copy protection schemes - Wikipedia

    en.wikipedia.org/wiki/List_of_copy_protection...

    A file with activation key that needs to be installed in same directory as software; similarly, a disc media (often installation disc) may be required as key disk for activation. [1] Code Morphing Hiding intermediate code by means of code obfuscation so that execution logic is not visible. This method does not protect against runtime tracing. [2]

  9. Fixed-block architecture - Wikipedia

    en.wikipedia.org/wiki/Fixed-block_architecture

    Within the disk drive, this linear block number was translated into a cylinder number, head number and sector number. Moving the translation into the disk drive allowed drive manufacturers to place a different number of blocks on each track transparently to the accessing software. Still later, magnetic hard disks employed an evolution of LBA ...