Tinker for Linux (32-bit) is a complete and general package for molecular mechanics and dynamics, with some special features for biopolymers. Tinker for Linux has the ability to use any of several common parameter sets, such as Amber (ff94, ff96, ff98, ff99,and ff99SB), CHARMM (19, 22,and 22 or CMAP), Allinger MM (MM2-1991 and MM3-2000), OPLS (OPLS-UA,and OPLS-AA), Merck Molecular Force Field (MMFF), Liam Dang's polarizable model, and the AMOEBA (2004, 2009) polarizable atomic multipole force field.