12-10-2008
Sounds like you have you your terminal set so that it dosn't echo back the characters that you type in.
Try typing "stty echo" and see if that fixes it.
It could be that somthing is set incorrecty in your login profile, or one of the scripts that are executed from it.
stty -echo can be used within a script to stop sensitive information from being displayed on the screen, for example, a password.
Have a look at the stty man page for more details.
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