| Subject | English | Hungarian |
| comp., MS | guest operating system | vendég operációs rendszer (The operating system running on a virtual machine) |
| comp., MS | Microsoft Disk Operating System | MS-DOS operációs rendszer (A Microsoft computer operating system with a command-line interface that is used to control many internal computer functions, such as running programs and organizing and maintaining files) |
| comp. | mobile operating system | mobilplatform |
| comp. | mobile operating system | mobil operációs rendszer |
| comp., MS | MS-DOS operating system | MS-DOS operációs rendszer (A Microsoft computer operating system with a command-line interface that is used to control many internal computer functions, such as running programs and organizing and maintaining files) |
| econ. | operating system | operációs rendszer |
| comp., MS | operating system deployment | operációs rendszer központi telepítése (A Configuration Manager feature that allows you to create operating system images and deploy those images to target computers) |
| comp., MS | Operating System Deployment Manager | operációs rendszer központi telepítője (A security role that grants permissions to administrative users so that they can create, deploy, and manage operating system images) |
| comp., MS | operating system volume | operációs rendszer kötete (A volume that contains an operating system (for example, Windows Vista) that can be loaded by Windows Boot Manager. A given system can have multiple operating system volumes. The operating system on the current volume can be started only if it has an entry in the Boot Configuration Data (BCD)) |