#!/bin/ksh
#scriptname:locktty
#writed by :kornlee
#script start...
reset;clear #清除屏幕
info="System will be locked!!! Press Waitting....."
print "nnnnnnn"
for i in 9 8 7 6 5 4 3 2 1 0
do
print -n " a$info$ir"
sleep 1
done
clear
#加上这个倒记时的小东东,
trapper () {#建立个函数
trap ' ' 2 3 20 #忽略CTRL+C CTRL+ CTRL+Z信号
}
while :#进入死循环
do
trapper#调用函数
print "nnnnnnnntttPlease enter unlock code:"
stty -echo#屏蔽输入的字符
read input
case $input in
123)
print "tt Hello $USER,Today is $(date +%T)n"
stty echo
break ;#输入正确,挑出循环回到命令行
*)
clear
continue ;#否则,继续循环
esac
done
#script over
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