In these Lecture notes an overview over the various effects in dusty plasmas has been given. Fundamental properties of dusty plasma like particle charging, interaction potentials and forces on the dust have been presented. Waves in weakly and strongly coupled dusty plasmas have been discussed and the extension towards normal modes in finite systems has been demonstrated. Also, an introduction into magnetic field effects in dusty plasmas has been given together with a collection of diagnostic techniques for dusty plasmas. Finally, a brief description of applications of dusty plasmas in technology has been presented, before some examples from astrophysical situations have been mentioned.