Linux: use termios to set backspace char to ASCII 8 rather than DEL (127) to make the code consistent with other platforms.
Linux: use termios to set backspace char to ASCII 8 rather than DEL
(127) to make the code consistent with other platforms.

joncampbell123/doslib,joncampbell123/doslib,joncampbell123/doslib,joncampbell123/doslib,joncampbell123/doslib,joncampbell123/doslib