this post was submitted on 09 Aug 2023
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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
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Interesting because to airlines, using a Linux-based RTOS is a major security issue to the point where most airlines use homegrown RTOS solutions. But this isn't the first national government switching to Linux for operations I'd argue are equally if not much more sensitive.
I did not know linux-based RTOS is a security issue for airlines, do tell me why. And ofcourse it will take a toll on the military to maintain the OS. As before this I assume they used enterprise version of windows, so the burden was share between microsoft and the military.
Whatever the reason is, it probably has very little to do with the described use case since RTOS is a very different use case to desktop copmuters. I didn't even know that people were making an RTOS that is based on the linux kernel. You could never bring the device support the linux kernel has to the RTOS world.
This video from the linux foundation mentions some of the supposed concerns for Linux in aerospace: https://m.youtube.com/watch?v=skaj70Qo3FA&t=1228s&pp=ygUbZGViYXRpbmcgbGludXggaW4gYWVyb3NwYWNl
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