Write a Linux shell script that prints only given no. of lines from top & bottom of a file, Unix program to print numbers from top & bottom of a file

Write a Linux shell script that prints only given no. of lines from top & bottom of a file, Unix program to print numbers from top & bottom of a file


Program
clear
echo-n "Enter file name:"
read fn
echo-n "No. of line:"
read n


t='head-$n<$fn'
b='tail-$n<$fn'


echo"Top:"
echo$b


Output:
Enter file name: temp.sh
No. of line:3
Note : 3 lines from top and 3 lines from bottom are displayed here.
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