学习shell,写了一个简单的

#!/bin/bash

##It's can diaplsy current IPTABLES status
## write by victor chang 2009-2-15

comm1=`/bin/netstat -nl`
comm2=`/sbin/iptables -vnL`
select var in "iptable" "netstat" "quit";do
if [ "$var" = "iptable" ];then
echo "$comm2"
elif [ "$var" = "netstat" ];then
echo "$comm1"
elif [ "$var" = "quit" ];then
echo done
exit
else
echo "bad operation"
fi
done
~