A simulated disk drive whose data is actually stored in RAM. Preserved over warm resets.
Used in older operating systems like DOS, a RAM disk is an area of memory managed by a special device driver and used as a simulated disk. Because the RAM disk operates in memory, it works very qui ... more
VDISK (virtual disk) that can be used in place of a hard or floppy disk for frequently accessed files. A RAM disk is dangerous for storing data because the contents are lost if the computer crashes or if power is turned off. Most users with extra RAM use it for a disk cache rather than as a RAM disk. See also memory