You know when you are getting old when you read: > When you hit backspace, the kernel tty line discipline rubs out your previous character by printing (in the

You know when you are getting old when you read: > When you hit backspace, the kernel tty line discipline rubs out your previous character by printing (in the simple case) Ctrl-H, a space, and then another Ctrl-H. And you think 'Yup, I knew that.' ... (In my case, I just about recall re-implementing it when mucking about with serial consoles in my youth - On low baud connections, you could actually see it do it - backspace - space - backspace )