When <tt>incnfile = <i>file</i></tt> is set before calling this command, then

<p>
read atomic positions, velocities (optional) and other information from 
<tt><i>file</i></tt> to the current configuration.

<p>
See <a href="http://micro.stanford.edu/wiki/Output_File_Formats_in_MD++#Configuration_.cn_File">wiki page</a> for more details.


