The untarring of the <a href="orac5.0.tar.gz">archive</a> produces a directory ./orac5.0 with the
following structure:
<UL> 
<li> <b> ./orac5.0 </b> 
<li> <b> ./orac5.0/src</b>:  Contains the source code. 
<li> <b> ./orac5.0/RELEASE5.0/tests</b>: contains input/output examples covering 
most of the features of the program, namely 
<a href="readme_basic"> basic tests </a>, 
<a href="readme_rem"> REM tests </a>, 
<a href="readme_meta"> Metadynamics tests </a>, 
<a href="readme_jar"> Steered MD tests </a> )
<li> <b> ./orac5.0/RELEASE5.0/lib</b>: contains the parameters and topology 
files according to the 
  <A HREF="http://ambermd.org/#ff"> AMBER </a> force field  
<li> <b> ./orac5.0/RELEASE5.0/pdb</b>: contains the Protein Data Bank 
format coordinate files for running the input example.   
<li> <b> ./orac5.0/doc </b>: contains the manual in pdf and html format 
</ul>