Title: Theory / Unimportant / CS / Softw / Mac

Instruction: Alt-Shift-Command-n
Page: https://support.apple.com/fr-fr/guide/mac-help/mh26782/mac#:~:text=Take pictures or screen recordings,or use the Touch Bar).
Effect: Same screenshot as Shift-comman-n, but copy the image instead of saving it in a file
Context: Mac OS

Effect: Open preferences
Abbreviation: ⌘+,

Effect: Hide current window
Context: mac
Abbreviation: ⌘+h

Effect: Hide all other window
Context: mac
Abbreviation: ⌘+option+h