, 03-01-2011 at 05:19 PM (14890 Views)
This program takes a user name from the user and checks if the user is authentic.If so,it checks if he has logged on to the system.
If the user is logged in,the show time of login.
echo "Enter user name"
grep $a /etc/passwd > aa.txt
if [ -s aa.txt ]
echo "Authentic User"
grep $a bb >cc.txt
if [ -s cc.txt ]
echo " The user is logged in"
echo "Time of login :"
who | cut -d "-" -f3 | cut -d " " -f2
echo "The user is not logged in"
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