Where can I find this command?
Rotate 指令可將物件繞著與工作平面垂直的中心軸旋轉。
指令行選項
Copy
The Copy option specifies whether or not the objects are copied. A plus sign 
appears at the cursor when copy mode is on.
Note: The RememberCopyOptions command determines whether the selected option is used as the default.
請參考
在物件上顯示可以對物件做移動、縮放、旋轉的控制項。
History enabled.