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Zed Decoded: Linux when? - Zed Blog
(zed.dev)
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.
Community icon by Alpár-Etele Méder, licensed under CC BY 3.0
I don't see where your problem comes from. It's really simple: they wanted to target Mac, likely because that's their preferred platform. So obviously they use the best fitting APIs for that purpose. Why would they develop a Linux or Windows application, if what they want is Mac? Nothing suspicious about that.