VxWorks vs. Linux — What's the Difference?
By Tayyaba Rehman — Published on January 22, 2024
VxWorks is a real-time operating system (RTOS) for embedded systems; Linux is a flexible, open-source OS used in various environments from servers to desktops.
Difference Between VxWorks and Linux
Table of Contents
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Key Differences
VxWorks, developed by Wind River Systems, is a real-time operating system (RTOS) designed for use in embedded systems that require high reliability and real-time performance. Linux, on the other hand, is a widely-used open-source operating system kernel that serves as the foundation for various distributions, suitable for server, desktop, and embedded applications.
VxWorks is known for its deterministic behavior, essential in systems where timing is critical, such as aerospace and automotive industries. Linux, while it can be configured for real-time applications, is more commonly used in scenarios where flexibility and customization are key, like servers, desktop computing, and even in some embedded systems.
In terms of development and community support, VxWorks is a proprietary system with dedicated support from Wind River and its partners, targeting professional and industrial markets. Linux has a vast and active open-source community, making it a hub for innovation and collaboration, with support from both the community and commercial vendors.
Licensing and cost are other differentiating factors. VxWorks, as a commercial product, requires licensing fees. Linux, being open-source, is freely available, although costs may be incurred for enterprise versions or professional support.
The choice between VxWorks and Linux depends on the application requirements. VxWorks is preferable for critical real-time applications where failure is not an option. Linux is more suitable for general-purpose computing where its versatility and customizability are beneficial.
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Comparison Chart
Type of OS
Real-time operating system (RTOS)
General-purpose operating system
Primary Use
Embedded systems in critical applications
Servers, desktops, embedded systems
Real-time Performance
High, deterministic
Configurable for real-time
Development & Support
Proprietary, professional support
Open-source, community, and commercial support
Licensing & Cost
Commercial, requires licensing fees
Open-source, generally free but costs for enterprise versions
Compare with Definitions
VxWorks
VxWorks provides deterministic performance for critical applications.
Aircraft avionics often rely on VxWorks for real-time processing.
Linux
Linux is an open-source operating system kernel.
Many web servers run on Linux due to its stability and security.
VxWorks
VxWorks is designed for scalability and modularity in embedded solutions.
Industrial robots use VxWorks for its scalable performance.
Linux
Linux is customizable, making it suitable for a wide range of computing needs.
Linux is often used by programmers for its flexibility.
VxWorks
VxWorks is known for its tight integration with specific hardware.
Automotive control systems frequently choose VxWorks for its hardware compatibility.
Linux
Linux supports a variety of hardware platforms, from PCs to servers.
Supercomputers often operate on Linux for its robust performance.
VxWorks
VxWorks is a real-time operating system for embedded systems.
The Mars Rover's control system uses VxWorks.
Linux
Linux has a strong community support system.
Linux distributions are frequently updated by an active open-source community.
VxWorks
VxWorks offers a secure and reliable platform for embedded development.
Medical devices use VxWorks to ensure reliable operation.
Linux
Linux is a core component of many popular operating systems.
Android, a widely used mobile OS, is based on the Linux kernel.
Linux
(software) Any unix-like operating system that uses the Linux kernel.
Linux
An open-source version of the UNIX operating system
Common Curiosities
Is VxWorks open source?
No, it's a proprietary software.
How does VxWorks ensure real-time performance?
Through its deterministic nature and efficient scheduling.
What is VxWorks primarily used for?
Embedded systems requiring real-time performance.
Can VxWorks be used in consumer electronics?
Yes, particularly in critical embedded applications.
What is Linux?
A versatile, open-source operating system kernel.
Is VxWorks suitable for desktop computing?
No, it's designed for embedded systems.
Is Linux free to use?
Yes, though enterprise versions may incur costs.
How is Linux supported?
Through a large open-source community and commercial support.
Is Linux used in embedded systems?
Yes, particularly in less critical embedded applications.
Can Linux be used for real-time applications?
It can be configured for real-time use but is not inherently real-time like VxWorks.
What makes VxWorks different from Linux?
VxWorks is a proprietary RTOS, while Linux is a general-purpose, open-source OS.
Can Linux be customized?
Extensively, making it suitable for various applications.
How does the support differ between VxWorks and Linux?
VxWorks offers dedicated professional support, while Linux has community and commercial support.
Which is more popular in the server market, VxWorks or Linux?
Linux, due to its flexibility and robustness in server environments.
Are there industries where both VxWorks and Linux are used?
Yes, both are used in various sectors, but for different applications.
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Written by
Tayyaba RehmanTayyaba Rehman is a distinguished writer, currently serving as a primary contributor to askdifference.com. As a researcher in semantics and etymology, Tayyaba's passion for the complexity of languages and their distinctions has found a perfect home on the platform. Tayyaba delves into the intricacies of language, distinguishing between commonly confused words and phrases, thereby providing clarity for readers worldwide.
