# trayer > A lightweight GTK-2 based systray. > More information: . - Run `trayer`: `trayer` - Position `trayer` to a specific edge: `trayer --edge {{left|right|top|bottom}}` - Provide a specific height and width of the panel (in pixels): `trayer --width {{10}} --height {{32}}` - Provide the width of the panel in pixels or percentages: `trayer --widthtype {{pixel|percent}} --width {{72}}` - Align `trayer` to a specific direction: `trayer --align {{left|center|right}}` - Provide spacing between icons (in pixels): `trayer --iconspacing {{10}}`