■ When set to On, History causes the environment to: • Run a project at full speed • Record the last 20 lines of code executed before a project stops ■ Use Shift+F8 and Shift+F10 to single step backward and forward through the last 20 lines of code. ■ A bullet (•) appears next to the command name on the Debug menu when the toggle is on. ┌─────────────┐ │ •History On │ └─────────────┘ ■ Tip: Use History On with breakpoints to review any group of 20 consecutive statements in your project.