Virtual Memory Systems were developed to increase the size of memory by adding an auxiliary storage layer which resides on disc.

One of the computer operating systems for Hekimian's REACT 2000 OSS.

a system of storing data not in the machine's fast or random access memory(RAM), but "on call", to be brought back as needed

a system where the addresses used in executing images, Virtual Addresses, are different from the addresses, Physical Addresses, used at the hardware level, on the bus between processor and main memory

(VMS) - Designed in 1976, this is the operating system that ran on Digital Equipment Corp.'s VAX operating system. Eventually DEC ported VMS to run on the Alpha processor and added POSIX functions into the operating system, renaming it OpenVMS.

See VMS.

Virtual Memory System (VMS) is the operating system on a VAX node (also related is Open Virtual Memory System - OpenVMS).

Multi-user, multitasking, virtual memory operating system for the VAX series from Digital. VMS applications will run on any VAX from the MicroVAX to the largest VAX.

A system that enhances the size of hard memory by adding an auxiliary storage layer residing on the hard disk.

A multiuser, multitasking, virtual memory operating system for the VAX series from Digital Equipment.

Digital Equipment Corporation's multiprocessing, interactive operating system for the VAX computers.