Berkeley CSUA MOTD:Entry 32831
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2004/8/11 [Computer/SW/Languages/Perl] UID:32831 Activity:high
8/11    Is there any way a shell or perl script can can input from keyboard
        without showing it on the screen, such as for a password?
        \_ man getpass/getpassphrase and write a helper program, or look
           into using a curses library or similar.
        \_ stty -echo