AutoCAD is a commercial computer-aided design and drafting software application. Developed and marketed by Autodesk, AutoCAD was first released in December 1982 as a desktop app running on microcomputers with internal graphics controllers.
Starting AutoCAD
AutoCAD Screen Components
Invoking Commands in AutoCAD
AutoCAD Dialog Boxes
Starting a New Drawing
Saving Your Work
Save Drawing as Dialog box
Closing a Drawing
Opening an Existing Drawing
Quitting AutoCAD
Creating and Managing Workspaces
Dynamic Input Mode
Drawing Lines in AutoCAD
Invoking tools Using Dynamic INPUT/Command Prompt
Coordinate Systems
Object Selection Methods
Setting Units Type and Precision