fibo

#!/bin/sh
echo "Enter how many no.s you want?"
read n
echo "Fibonacci Series is::"
pr=1
ne=0
cu=0
echo $ne
echo $pr

i=2
while [ $i -lt $n ]
do
ne=`expr $pr + $cu`
echo $ne
cu=$pr
pr=$ne
i=`expr $i + 1`
done