script to print fibonacci series

echo "Enter n for Fibonacci series: - "

read n

echo "Fibonacci series is: - "

echo "0"

echo "1"

i=0

j=1

cnt=2

while [ $cnt -le $n ]

do

k=`expr $i + $j`

i=$j

j=$k

echo $k

cnt=`expr $cnt + 1`

done

$ ./fibonacci.ksh

Enter n for Fibonacci series: -

10

Fibonacci series is: -

0

1

1

2

3

5

8

13

21

34

55