S - Commands  
SCALE (Command)
   Overview   Operations  Commands 

It enlarges or reduces the selected objects proportionally in the X, Y directions

 Modify toolbar: 

Select the objects to scale, Then press Enter to confirm or Esc to delete.... Use an object selection method and press ENTER At the end of the operation

Specify scale center: Specify a point

The specified scale center identifies the point that remains in the same location when the selected objects change size (and thus move away from the stationary base point)

Specify scale factor or [Copy/Reference]: Specify a scale, enter  C or  R

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