Add in order to grasp it easily

Chapter01/Variable scope script1.sh

@@ -2,4 +2,7 @@
 #!/bin/bash
 name="Mokhtar"
 export name # The variable will be accessible to other processes
-./06-script2.sh
+./06-script2.sh 
+
+# second part, we updated name variable in script2.sh, let's what we see
+echo $name # ouput: Mokhtar

Chapter01/script2.sh

@@ -1,3 +1,8 @@
 # The script2.sh script
 #!/bin/bash
-echo $name
+echo $name
+
+# second part
+
+name=shell # it updated the value of name variable but didn't update the original which comes from script1.
+echo $name

Chapter02/prompt.sh

@@ -0,0 +1,5 @@
+#!/bin/bash
+echo -n "Hello $(basename $0)! May I ask your name: "
+read
+echo "Hello $REPLY"
+exit 0