Final answer:
The general order that states 'Quitting your post only when properly relieved' is known as the Fifth General Order. It emphasizes the importance of staying at one's post until properly relieved.
Step-by-step explanation:
The general order that states 'Quitting your post only when properly relieved' is known as the Fifth General Order. The general orders are a set of rules that establish procedures for military personnel while on duty. The Fifth General Order specifically emphasizes the importance of staying at one's post until properly relieved, which is crucial for maintaining order and ensuring the safety and security of the area.