Free Autocad video Tutorials - Line tool

Autocad is leader between CAD tools. In this video tutorial, you will learn how you can use one of the simplest and fundamental drawing tool in Autocad. Line command can be drawing by coordinates or just by clicking with mouse in anywhere on the workspace.
How Autocad coordinates systems works - http://mgtuts.com/blog/autocad/autocad-coordinate-system-and-how-it-work