mtx: mtx (Controls tape autochangers) mtx: mtx: The MTX program controls the robotic mechanism in autoloaders and mtx: tape libraries such as the HP SureStore DAT 40x6, Exabyte EZ-17, and mtx: Exabyte 220. mtx: mtx: This program is also reported to work with a variety of other tape mtx: libraries and autochangers from Tandberg/Overland, Breece Hill, HP, mtx: Seagate, Dell and Quantum. mtx: mtx: