Manoj Jha

You can create a shell script to find the factorial of a number using a while loop. Here is an example: In this script, we prompt the user to enter a number and store it in the variable number . We then initialize two variables, factorial and counter , to 1 and the value of number , respectively. We use a while loop to iterate through the numbers from the value of number down to 1. In each iteration, we multiply the current value of factorial by the current value of counter , then decrement the value of counter by 1. At the end of the loop, we output the final value of factorial , which is the factorial of the number entered by the user. You can execute this script by making it executable by running chmod +x scriptname and then you can run ./scriptname. Make sure that you have bash installed in your system, otherwise, you have to use a different shell accordingly. This script uses a for loop to iterate from 1 to the given number, and calculates the factorial by multiplying the cur...