#!/bin/sh echo "plz enter the three numbers" read x read y read z if [ $x -ge $y ] && [ $x -ge $z ] then echo "$x is the largest number" elif [ $y -ge $x ] && [ $y -ge $z ] then echo "$y is the largest number" else echo "$z is the largest number" fi if [ $x -lt $y ] && [ $x -lt $z ] then echo "$x is the smallest number" elif [ $y -lt $x ] && [ $y -lt $z ] then echo "$y is the smallest number" else echo "$z is the smallest number" fi
########################################################## Output: $ sh num.sh plz enter the three numbers 10 20 30 30 is the largest number 10 is the smallest number