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An affordable RAM Disk compatible with all Windows Workstation and Server OS versions (32- and 64-bit) starting from Windows 2000. The content of the RAM Disk can be made 'persisted' i.e. saved to an image file on the hard disk at regular times and/or at shutdown, and restored from the same image file at boot time.
It was discontinued in Windows 7. DR-DOS and the DR family of multi-user operating systems also came with a RAM disk named VDISK.SYS. In Multiuser DOS, the RAM disk defaults to the drive letter M: (for memory drive). AmigaOS has had a built in RAM drive since the release of version 1.1 in 1985 and still has it in AmigaOS 4.1 (2010).
The idea behind tmpfs is similar in concept to a RAM disk, in that both provide a file system stored in volatile memory; however, the implementations are different. While tmpfs is implemented at the logical file system layer, a RAM disk is implemented at the physical file system layer. In other words, a RAM disk is a virtual block device with a ...
initrd ("initial ramdisk"), a scheme for loading a temporary root file system into memory in the boot process of the Linux kernel. Lightweight Linux distribution; List of live CDs; List of tools to create Live USB systems; SYSLINUX, a suite of lightweight IBM PC MBR bootloaders for starting up computers with the Linux kernel.
Since Windows Vista, [14] Windows can boot from a WIM disk image file, for which the file format is published; [15] it is similar to the ZIP format except that it supports hard links, deduplicated chunks, and uses chunk-by-chunk compression. In this case, the whole WIM is initially loaded into RAM, followed by the kernel initialisation.
Software can "partition" a portion of a computer's RAM, allowing it to act as a much faster hard drive that is called a RAM disk. A RAM disk loses the stored data when the computer is shut down, unless memory is arranged to have a standby battery source, or changes to the RAM disk are written out to a nonvolatile disk.
i-RAM Version 1.3 PCI-Card with 4 x 1 GB DIMM. The i-RAM [1] was a PCI card-mounted, battery-backed RAM disk that behaved and was marketed as a solid-state storage device. It was produced by Gigabyte and released in June 2005, [2] at a time when genuine solid-state storage solutions were generally still less affordable than an i-RAM product with superficially similar capabilities.
With version 1.24, VeraCrypt added the option of encrypting the in-RAM keys and passwords on x64 editions of Windows, with a CPU overhead of less than 10%, and the option of erasing all encryption keys from memory when a new device is connected.