added my script with my name Joshua Wilson

02-add_nums.sh

@@ -11,5 +11,21 @@ sum=$(( first+second+third ))
 
 echo "The sum is $sum"
 
+echo "Enter width"
+read width
+echo "Enter height"
+read height
+pixel=$(( width*height))
+
+echo "You have $pixel pixels"
+
+echo "Type the width RIGHT NOW"
+read width
+echo "Type the height RIGHT NOW"
+read height
+pixels=$(( width*height ))
+echo "Total pixels: $pixels"
+
 # exercise: ask the user for the width and height and present total
 # number of pixels
+

joshua.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+# read the name of the user and print hello
+
+echo "Hello! What is your name"
+read name
+echo "Welcome, $name. My name is Joshua Wilson"
+
+# single quotes prevent the expansion of the variable
+echo 'Your name was stored in $name'
+
+# exercise: write a script that asks the user for a 
+# filename and create an empty file named after it