Enter 3 numbers and find out minimum and maximum numbers in unix

 unix find out minimum and maximum numbers 

echo “enter 3 numbers”

read a b c

if (( $a > $b  && $a > $c ))

then

echo “$a is maximum number”

elif (( $b > $a  && $b > $c ))

then

echo “$b is maximum number”

elif (( $c > $a  && $c > $b ))

then

echo “$c is maximum number”

fi