Unlike the TELNET sign-on process, the UNIX spawner program allows sign ons to a UNIX system without scripts. In most cases, you should run the UNIX spawner using the root privilege in order to start ...

One reason that I've stuck with WSL on Windows, to the point that I install it on every new Windows machine I get, instead of ...

Indeed, OS X is a fully featured Unix operating system (certified as Unix by the Open Standard Groups).