What are the differences between a GPOS and an RTOS?

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Real-Time Operating System

  • Deterministic: no random execution pattern
  • Predictable Response Times
  • Time Bound
  • Preemptive Kernel


Contiki source code, FreeRTOS™, Zephyr™ Project

Use Case:

Embedded Computing


General-Purpose Operating System

  • Dynamic memory mapping
  • Random Execution Pattern
  • Response Times not Guaranteed


Microsoft® Windows® operating system, Apple® macOS® operating system, Red Hat® Enterprise Linux® operating system

Use Case:

Desktop, Laptop, Tablet computers

Microsoft® and Windows® are registered trademarks of Microsoft Corporation in the United States and/or other countries.
Apple® and macOS® are trademarks of Apple Inc., registered in the U.S. and other countries.
Red Hat® Enterprise Linux® is a trademark or registered trademarks of Red Hat, Inc. or its subsidiaries in the United States and other countries.
Zephyr™ is a trademark of The Linux Foundation.
Linux® is the registered trademark of Linus Torvalds in the U.S. and other countries.
FreeRTOS™ and FreeRTOS.org™ are trade marks of Real Time Engineers Ltd.
Contiki is an open source operating system for the Internet of Things. https://www.contiki-os.org