Autocad command line and basics Questions 1) Is it important to follow the prompts on the command line? 2) When you have finished selecting objects what should you do next? 3) If you see "Specify distance" on the command line and you require a distance of 500 you type in 500 followed by which key? 4) If a colleague had 2006 version software what version of file would you need to save to so that he or she could open it without seeing the "Invalid file" error. 5) If you were told to draw a line from absolute co-ordinates 522.1,0 what would the value of the y co-ordinate be. Answers 1) Yes. It's simply not possible to remember each step because CAD is probably 5 times more complex than other software 2) Push the enter key or right mouse to finish object selection. You will be more efficient if you learn to do this automatically when required. Alternatively you can select objects and grip them, then right mouse to select move, copy etc. 3) Push the enter key to confirm all keyboard entries. The system won't know whether you mean 5, 50 or 500 until you "accept" the value with the enter key. 4) Use file /saveas, then files of type arrow to see file version options. Save as 2004 version which can be read by 2006 software. 5) 0. The first value is the x co-ordinate, the second value is the y co-ordinate. If a 3D point the 3rd is the z co-ordinate. All separated by a comma.