| Subject | English | Spanish |
| dat.proc. | basic operating system | sistema operativo de base |
| IT | business operating system | sistema operativo concebido para los ordenadores de gestión |
| commun. | cellular operating system | sistema operativo celular |
| commun., IT | client-server operating system | sistema operativo cliente/servidor |
| patents. | computer operating system software | software de sistema operativo para ordenadores |
| patents. | computer operating systems | sistemas informáticos operativos |
| earth.sc. | deep ocean operating system | sistema operativo de tecnología marina a profundidades oceánicas |
| IT, dat.proc. | disc operating system | sistema operativo de disco |
| IT | Disk Operating System | sistema operativo en disco |
| IT | Disk Operating System | Sistema operativo de discos |
| dat.proc. | disk operating system | DOS |
| inet. | Disk Operating System | Sistema Operativo en Disco |
| IT, el. | disk operating system | sistema operativo de disco |
| IT | disk-operating system | sistema operativo en disco |
| IT, el. | Disk Operating System | sistema operativo de disco |
| comp. | diskette operating system | sistema operativo de disco flexible |
| IT | exchange kernel operating system | sistema operativo interno de intercambio |
| IT | extended operating system | systema operativo extendido |
| IT | floppy disk operating system | sistema operativo disquete |
| IT | GUARDIAN 90 operating system | sistema operativo GUARDIAN 90 |
| comp., MS | guest operating system | sistema operativo invitado (The operating system running on a virtual machine) |
| comp., MS | guest operating system profile | perfil del sistema operativo invitado (A library resource containing the most common settings from a Sysprep.inf file, including the computer name and domain or workgroup settings, which can be applied to a virtual machine template) |
| comp., MS | host operating system | sistema operativo host (The operating system of the physical computer running the Virtual Server or Virtual PC software) |
| ed., IT | intelligent operating system | sistema operativo inteligente |
| IT, dat.proc. | to load from an operating system | cargar desde un sistema operativo |
| IT | management operating system | sistema integrado de gestión |
| IT | Microsoft disk operating system | sistema operativo en disco de Microsoft |
| comp., MS | Microsoft Windows operating system | sistema operativo Microsoft Windows (A proprietary software operating system with a graphical user interface (GUI)) |
| comp., MS | MS-DOS operating system | sistema operativo MS-DOS (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., net. | network operating system | sistema de explotación de red |
| ed., IT | network operating system | red de sistema operativo |
| IT | Operating System | Sistema operativo |
| dat.proc. | operating system | sistema de explotación |
| comp., MS | operating system | sistema operativo (The software that controls the allocation and usage of hardware resources such as memory, central processing unit (CPU) time, disk space, and peripheral devices. The operating system is the foundation on which programs are built) |
| inet. | Operating System | Sistema Operativo |
| econ. | operating system | sistema operativo |
| telecom. | operating system | sistema de operación |
| tech. | operating system | sistema funcional |
| IT | operating system certification | certificación del sistema operativo |
| IT | operating system components | componentes del sistema operativo |
| comp., MS | operating system deployment | implementación de sistema operativo (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 | Administrador de implementación de sistema operativo (A security role that grants permissions to administrative users so that they can create, deploy, and manage operating system images) |
| IT | operating system performance | prestaciones del sistema operativo |
| IT | operating system security flaw | defecto de seguridad en el sistema operativo |
| IT | operating system version | versión de un sistema operativo |
| IT, dat.proc. | Operating System/Virtual Storage | OS/VS |
| IT | operating system/virtual storage | sistema operativo con memoria virtual |
| IT, dat.proc. | Operating System/Virtual Storage | Operating System/Virtual Storage |
| comp., MS | operating system volume | volumen del sistema operativo (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)) |
| IT | operating system vulnerability | vulnerabilidad del sistema operativo |
| IT, dat.proc. | operating-system prompt | indicador de comandos del sistema operativo |
| commun., IT, industr. | Portable Operating System Interface for computer environment | Sistema operativo transportable de la ISO |
| commun., IT, industr. | Portable Operating System Interface Standard | Sistema operativo transportable de la ISO |
| commun., IT, industr. | Portable Operating System Interface X | Sistema operativo transportable de la ISO |
| IT | Real Time Operating System | Sistema operativo en tiempo real |
| IT, el. | real-time operating system | sistema operativo en tiempo real |
| auto.ctrl. | real-time operating system | sistema operativo de tiempo real |
| IT | secure operating system | sistema operativo seguro |
| IT | supervisory operating system | sistema operativo supervisor |
| IT | Virtual Environment Operating System | Sistema operativo de entorno virtual |
| comp., MS | Windows operating system | sistema operativo Windows (A proprietary software operating system with a graphical user interface (GUI)) |