They work with nearly all models of MacOS computers. There are various keyboard-remapping programs available on the internet to find the technique of creating a back slash for MacOS. The backslash is a computer keyboard key confused for a regular slash. A way to know how to type it using a combination of characters is by holding the alt + caps + / keys that solve the puzzle. You might want to check out the system preferences by typing an application, however, some keyboards lack a dedicated key for the backslash, known as Reverse solidus on a MAC keyboard. Mac users like to customize most features as the operating system has a huge capability for innovative techniques.