to key to disk
31Magic SysRq key — The SysRq key The magic SysRq key is a key combination understood by the Linux kernel, which allows the user to perform various low level commands regardless of the system s state. It is often used to recover from freezes, or to reboot a computer …
32Count Key Data — (CKD) is a disk data architecture. Each physical disk record consists of a count field, an optional key field, and a ( user ) data field with error correction/detection information appended to each field and gaps separating each field [1].… …
33Hardware-based full disk encryption — is being pursued by a number of HDD vendors including Intel, Seagate Technology, and Hitachi, Ltd. with the rest of the hard drive industry following. Encryption and the symmetric encryption key is maintained independently from the CPU, thus… …
34History of the floppy disk — 8 inch, 5¼ inch, and 3½ inch floppy disks Over the history of the floppy disk a number of different formats were used. Floppy disks have now been largely superseded by other storage media and by network file transfer. Contents …
35Golden Disk — The Golden Disk is a fictional artifact from the Transformers universes.Beast WarsThe Golden Disk is a relic from the Beast Wars Transformers timeline, and a key plot device for the events of the show. Considered a revered artifact, it is… …
36Target Disk Mode — (sometimes referred to as TDM or Target Mode ) is a boot mode for Macintosh computers wherein the Mac does not load the operating system, but instead behaves as a FireWire mass storage device with the SBP 2 (Serial Bus Protocol) standard. Target… …
37Jefferson disk — The Jefferson disk, or wheel cypher as Jefferson named it, is a cipher system using 26 wheels, each with the letters of the alphabet arranged randomly around them. First invented by Thomas Jefferson in 1795, it did not become well known and was… …
38F6 disk — is a colloquial name for a floppy disk containing a Microsoft Windows NT device driver for a SCSI or RAID system. F6 disks are used by other NT based versions of Windows, including Windows 2000, Windows Server 2003, and Windows XP. Usage An F6… …
39Surrogate key — A surrogate key in a database is a unique identifier for either an entity in the modeled world or an object in the database. The surrogate key is not derived from application data. Definition Two definitions of a surrogate appear in the… …
40Command key — The Command key The Command key, also historically known as the Apple key, open Apple key or meta key is a modifier key present on Apple Keyboards. The Command key s purpose is to allow the user to enter keyboard shortcut commands to GUI… …
