Operating System - Real-time Operating Systems

Real-time Operating Systems

Main article: Real-time operating system

A real-time operating system (RTOS) is a multitasking operating system intended for applications with fixed deadlines (real-time computing). Such applications include some small embedded systems, automobile engine controllers, industrial robots, spacecraft, industrial control, and some large-scale computing systems.

An early example of a large-scale real-time operating system was Transaction Processing Facility developed by American Airlines and IBM for the Sabre Airline Reservations System.

Embedded systems that have fixed deadlines use a real-time operating system such as VxWorks, PikeOS, eCos, QNX, MontaVista Linux and RTLinux. Windows CE is a real-time operating system that shares similar APIs to desktop Windows but shares none of desktop Windows' codebase. Symbian OS also has an RTOS kernel (EKA2) starting with version 8.0b.

Some embedded systems use operating systems such as Palm OS, BSD, and Linux, although such operating systems do not support real-time computing.

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Other articles related to "system, operating systems":

Real-time Operating Systems - Examples
... An early example of a large-scale real-time operating system was the Transaction Processing Facility developed by American Airlines and IBM for the Sabre Airline Reservations System ... Currently the best known, most widely deployed, real-time operating systems are LynxOS OSE QNX RTLinux VxWorks Windows CE See the list of real-time operating systems for a comprehensive list ... Also, see the list of operating systems for all types of operating systems ...

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