My every day use shortcuts:
ALT => enable "column mode" to select columns with the mouse
CTRL+C => stop the currently running command
CTRL+N => new window
CTRL+T => new tab
CTRL+W => close tab / window
CTRL+U => delete line till beginning
CTRL+A => jump to beginning
CTRL+E => jump to end
* On MacOS you might have to replace CTRL with COMMAND