Here’s the summary for the wikipedia article you mentioned in your comment:
The space-cadet keyboard is a keyboard designed by John L. Kulp in1978and used on Lisp machines at Massachusetts Institute of Technology (MIT), which inspired several still-current jargon terms in the field of computer science and influenced the design of Emacs. It was inspired by the Knight keyboard, which was developed for the Knight TV system, used with MIT's Incompatible Timesharing System.
Oh nice so now we have a Super Key, a Hamburger Key, and now a Meta key. </speaking_in_linux>
This will be great for Emacs.
Finally I can have dedicated control, meta, super, and hyper buttons.
https://en.m.wikipedia.org/wiki/Space-cadet_keyboard
Here’s the summary for the wikipedia article you mentioned in your comment:
The space-cadet keyboard is a keyboard designed by John L. Kulp in 1978 and used on Lisp machines at Massachusetts Institute of Technology (MIT), which inspired several still-current jargon terms in the field of computer science and influenced the design of Emacs. It was inspired by the Knight keyboard, which was developed for the Knight TV system, used with MIT's Incompatible Timesharing System.article | about