on linux $01.(25$ points$)$ Write a bash script file called calc.sh that performs addition, subtraction, or multiplication. When executing the script, the user has to provide a single parameter. The permitted values for this parameter are: $+,-,$and m$.$ The behavior of the script in each case is as following: $..$ Addition: $(/$calc$.$sh $+)$ The script will read $2$ input integers from the user then echo their sum. Subtraction: $(/$calc$.$sh$)$ The script will read $2$ input integers from the user then echo the result of subtracting the second number from the first. Multiplication: $(/$calcsh m$)$ The script will read $2$ input integers from the user then echo their multiplication $.$