Learn how to use terminal emulator, send command line commands from Commander One window and maintain your files like a pro.

I use this with an unbranded PL-2303-equipped adapter bought from eBay for six of our English pounds, compared to thirty-odd for a Keyspan device, and it talks.

However, there's an open-source driver that works better. Prolific's own Mac OS X driver is currently not very good you can't send a break signal via screen in Terminal, for example. Terminal originated in NeXTSTEP and OPENSTEP, the predecessor operating systems of macOS. Terminal ( Terminal.app) is the terminal emulator included in the macOSoperating system by Apple.