What do I need to do for code in Bash, if I want to echo *s in place of password characters (or even just hide the characters completely) when the user types so
*
I don't know about stars, but stty -echo is your friend:
#!/bin/sh read -p "Username: " uname stty -echo read -p "Password: " passw; echo stty echo
Source: http://www.peterbe.com/plog/passwords-with-bash