Add existing scripts

restore_history.sh

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+# Restore the real history file after running book examples
+
+# Check for a backup file
+if [ -f ~/.bash_history.backup ]; then
+    # Rename the backukp file as the current file
+    mv ~/.bash_history.backup ~/.bash_history
+    # Clear the example history
+    history -c
+    # Reload the history from the restored file
+    history -r
+    echo -e "\e[1;36mThe original history has been restored\e[0m"
+else
+    echo -e "\e[1;33mThere is no backup history to restore\e[0m"
+fi