Exits the program.
Access Methods
Menu: AutoCAD 
Quit AutoCADSummary
Quits the program if there have been no changes since the drawing was last saved. If the drawing has been modified, you are prompted to save or discard the changes before quitting.
You can quit a file that has been opened in read-only mode if you have made no modifications or if you are willing to discard them. To save modifications to a read-only drawing, use the SAVEAS command to save the drawing under another name.