Thanks for your anwers regarding fonts in your X terminal emulator.
Bitmap fonts are simpler and do consume lesser memory than TTF fonts. Downside is, they are not scalable and do only look good at certain sizes.
Two of of the most popular bitmap fonts for the terminal are the default "fixed" and "Terminus"
But there are more, here is a site with an overview available monospace bitmap fonts: https://github.com/Tecate/bitmap-fonts
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