Keyboard shortcuts boost efficiency, too. Their purpose was to increase productivity by reducing repetition and removing the need to remember obscure sequences of commands. No surprise then, that functionality was soon introduced for the benefit of the computer operators of yesteryear.Ĭommand and aliases started to appear in Unix shells. The keyboard was the only game in town, so it was typing all the way. Unix-the spiritual predecessor of Linux-predates graphical user interfaces.
