From the May 05, 2008 blog by Kenton Williston:
One thing is for sure: There is no shortage of opinions on Linux. But which vendor is telling the truth? Or are they are lying in hopes of building sales?
The reality is that each viewpoint contains elements of truth. Every project has unique requirements, so different projects call for different operating systems. Here is my (non-partisan) list of questions you should ask yourself when evaluating embedded Linux:
Do you need a full-featured OS? Embedded Linux is big; typical builds exceed 2 MB. Sure, you can shrink the OS by stripping out things like networking stacks and file systems, but these features are the main reason to use Linux. If you don't need these features, you are better off with a lightweight RTOS.
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