Where can I find this command?
Shear 指令可將物件傾斜某個角度。
將一個矩形傾斜變形時，矩形會變成平行四邊行，矩形的左、右兩邊會變長，但上、下兩邊的長度維持不變。
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
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