| Subject | English | Finnish |
| IT, dat.proc. | Operating System/Virtual Storage | OS/VS |
| comp., MS | virtual file system | näennäistiedostojärjestelmä (The subsystem that intercepts and redirects file system requests from application processes running in a virtual environment. These requests are processed based on the virtual files and directories defined in the application package and created or modified through interaction with a virtual application) |
| IT | virtual memory system | näennäismuistijärjestelmä |
| patents. | virtual-reality systems | virtuaalitodellisuusjärjestelmät |