#! /bin/sh 
host linux | awk '{print $4}' > /tmp/t$$
echo LINUX hosts:
for i in `cat /tmp/t$$`
do
   echo  "\t" $i ": \c"
   host $i | awk '{print $5}'
done
rm /tmp/t$$ 

host solaris | awk '{print $4}' > /tmp/t$$
echo SOLARIES hosts:
for i in `cat /tmp/t$$`
do
   echo  "\t" $i ": \c"
   host $i | awk '{print $5}'
done
rm /tmp/t$$