In this tutorial Photoshopuniverse describes how to create dotted lines in Adobe Photoshop using the brush palette. First create a new blank document in Adobe Photoshop. To open brushes palette, go to menu Window - Brushes. By adjusting spacing and hardness of brush under Brush Tip Shapes menu you can draw desirable dotted lines. To get uniform circled dots uncheck Shape Dynamics box. By holding the shift key click and drag to get a straight dotted line. To create bullet holes or perforated holes seen in films create a new layer and set foreground color to white and background color to black. Add any layer style like inner shadow, drop shadow etc. and draw. Thus you can create simple dotted lines with different styles.