colon and a space, then reads a password from the terminal. Prints the password.
Node:Variables, Next:M... one character. Before any of that can happen the terminal must first be set into raw mode using the stty co... {
# save the settings
SAVEDSTTY=`stty -g`
# set terminal raw please
stty cbreak
# read and output ... f=/dev/tty bs=1 count=1 2> /dev/null
# restore terminal and restore stty
stty -cbreak
stty $SAVEDST