- At the Command prompt, enter -linetype. 
 
- Enter c and press Enter. 
 
- Enter a name for the linetype and press Enter. 
The linetype name can include up to 255 characters. Linetype names can contain letters, digits, and the special characters dollar sign ($), hyphen (-), and underscore (_). Linetype names cannot include blank spaces. 
  
-  In the Create or Append Linetype File dialog box, select an existing LIN linetype file or enter a new file name in the File Name box. Click Save. 
If you select an existing file, the new linetype name is added to the file. 
  
- (Optional) Enter text that describes the new linetype and press Enter. 
 
- At the Enter Linetype Pattern prompt, specify the pattern for the tinetype and press Enter. Follow these guidelines: 
- All linetypes must begin with a dash. 
 
- Enter zeros for dots. 
 
- Enter negative real numbers for spaces. The value defines the length of the space in drawing units. 
 
- Enter positive real numbers for dashes. The value defines the length of the dash in drawing units. 
 
- Separate each dot, dash, or space value from the next with a comma. 
 
- Use a space between a dot and a dash. 
 
  
- Press Enter to end the command. 
 
Note: When you create a linetype, it is not loaded into your drawing automatically. Use the Load option of the -LINETYPE or the Load button in the Linetype Manager (LINETYPE command).