virtual storage system; virtual memory system
Technical computing term for a memory management technique that uses both hardware and software to allow a computer to compensate for physical memory shortages by temporarily transferring data from random access memory to disk storage.
This OS employs a virtual memory system.
More common abbreviation for 'virtual memory'; 仮想記憶システム is a longer, more formal term often used in system descriptions.
Compound of 仮想 (virtual) + 記憶 (memory/storage) + システム (system), a direct translation of the English term 'virtual storage system'.