<PRE>
for a 2-d run, assumes all z-coords are set to 0.0 in &quot;read data&quot; or
  &quot;read restart&quot; files and program creates no z velocities
this command sets the processor grid to default values for 2-d or 3-d
  so must be used before &quot;processor grid&quot; command
must be set before data or restart file is read

Default = 3
</PRE>
<HR>
<H3>
<A NAME="_cch3_931276696">dump atoms </A></H3>
<UL>
    <LI>
    1st parameter = # of timesteps 
    <LI>
    2nd parameter = file name 
</UL>
<PRE>
d