#!/bin/bash
# secret-pw.sh: secret password

echo
echo -n "Enter password "
read passwd
echo "password is $passwd"
echo -n "If someone had been looking over your shoulder, "
echo "your password would have been compromised."

echo && echo # Two line-feeds in an "and list."

stty -echo # Turns off screen echo.
# May also be done with
# read -sp passwd
# A big Thank You to Leigh James for pointing this out.

echo -n "Enter password again "
read passwd
echo
echo "password is $passwd"
echo

stty echo # Restores screen echo.

exit 0

# Do an 'info stty' for more on this useful-but-tricky command.

bash$ lastlog
root tty1 Sat Nov 19 18:43:21 -0700 2001
bin **Never logged in**
daemon **Never logged in**
...
bozo tty1 Sat Nov 8 21:14:29 -0700 2001

 

bash$ lastlog | grep root
root tty1 Fri Nov 7 18:43:21 -0700 2001