hotkey

or hot key

[hot-kee]
noun Computers.
  1. an assigned key or sequence of keys programmed to execute a command or perform a specific task in a software application: On Windows computers, the hotkey Ctrl+S can be used to quickly save a file.
Also called shortcut, keyboard shortcut.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018