In a linear guide comprising a guide housing (1, 16) configured as a profiled support, and at least one guide rail (2) fixed therein, a guide carriage (3) being supported for longitudinal displacement on the guide rail (2) while being connected to a running carriage (5, 17) that is situated partly outside the housing (1, 16) and extends through a longitudinal opening (7, 8, 18, 19) into the housing (1, 16), the linear guide comprising within the housing (1, 16), a drive for the longitudinal displacement of the guide carriage (3) and of the running carriage (5, 17), according to the invention, the guide housing (1, 16) is an extrusion molded profile made of aluminium and the drive is configured as an electromotor with one motor component arranged in the guide housing (1, 16) and one motor component arranged in the running carriage (5, 17).