To start hold SHIFT and press enter then type: Hancock/Jackson to relieve all unit stress. Note: to left of parentheses is Union Code, right is Confederate Code, except halleck which is same for both.

Code - Effect

Sedgwick/ - to end the scenario
Mcclellan/Beauregard - to raise officer experience
Sheridan/Lee - to rally all units
Reynolds/Hill - to receive all reinforcement
Hancock/Jackson - to relieve all unit stress
Buford/Stuart - to reset the scenario clock
Warren/Hotchkiss - to see all enemy troops
Custer/Harrison - to see enemy Order of Battle
Halleck for AI (Artificial Inteligence) - vs. AI