How to implement of Line

• From the draw menu, chose Line.
• Specify the start point.
• You can use the pointing device or enter a coordinate on the command line.
• Complete the first line segment during the LINE command, enter u or chose Undo on the toolbar.
• Specify the endpoints of any additional line segments.
• Press ENTER to end  or c to close a series of line segments.
• To start a new line at the endpoint of the last line drawn, start the LINE  command again and press ENTER at the specify Start Point prompt.