speed 0 baud; nl -echo tabs erase = ^@, kill = ^@, intr = ^@, quit = ^@, start = ^@, stop = ^@, eof = ^@, brk = ^@ speed 0 baud; nl -echo tabs erase kill intr quit stop eof ^@ ^@ ^@ ^@ ^@ ^@ min = 0 time = 0 old tty, speed 0 baud -raw nl -echo -lcase -tandem tabs -cbreak erase kill intr quit stop eof ^@ ^@ ^@ ^@ ^@ ^@ min = 0 time = 0