this post was submitted on 20 Aug 2025
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The Linux kernel itself contains a terminal emulator
that's how you can swap among virtual terminals on the console
and unless the code was rewritten at some point, that's really the true core of Linux; the Linux kernel originally was a terminal emulator, before the other stuff got added. Before Linus even made his first announcement, when it was still a purely one-man project that he was banging on:
https://lunduke.substack.com/p/the-very-first-interview-about-linux
That being said, I think that most people are probably using the framebuffer console these days
you aren't usually talking to your graphics card in text mode on x86-64 machines, but rather in graphics mode, and an image of text is being rendered and handed to the graphics card, and I don't know if internally, the original virtual terminal code is used beneath that or if there's a different stack and two independent in-kernel virtual terminal emulators.
Well, if you have one of those new fangled video terminals, and not a teletype connected through rs-232 serial.