this post was submitted on 18 Sep 2023
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Linux
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From Wikipedia, the free encyclopedia
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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It's not, but it gets clicks.
If anything, vxworks is the secret one. Huge numbers of embedded devices run vxworks, but the only people who work with it are embedded systems developers.
I thought it was going to talk about MINIX and how all intel CPUs run it on ring -3.
Goddammit! Don't tell that one, I use it to impress random people at parties.
People just don't believe me when I tell them.
I couldn't find anything on it. What exactly is it?
Very robust OS designed for Embedded applications.
Most noteworthy is NASA used it on almost all of their mars rovers. (I think they switched to Linux on their very last one but I could be wrong)
It is used in a bunch of random stuff you have probably used it without realizing.
https://en.wikipedia.org/wiki/VxWorks#Notable_uses
If I recall correctly, only the helicopter runs Linux and the rover still runs an RTOS (presumably VxWorks). I remember reading a bunch of posts on Linux blogs about Ingenuity being the first time Linux was run on another planet.
Shh, what part of "secret" don't you understand?
It's a real-time operating system frequently used for small and embedded devices.