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\begin{document}
\begin{table}[h]
 \begin{center}
\caption{$B%G%#%9%/3d$jEv$F(B }
\begin{tabular}{|c|c|c|c|c|c|} \hline
   Machine    &    OS     &    Disk  & System & Work & Swap \\
\hline
FMV-466D & Windows3.1&  220MB&   190MB&   30MB &  --  \\
& FreeBSD &102MB&   70MB & -- &  32MB \\

 FMV-5120D5 &  Windows95 &  600MB &  500MB  &100MB &  -- \\
 &    FreeBSD   &  132MB &  100MB  &  --  & 32MB \\
\hline
 \end{tabular}
 \end{center}
\end{table}
\end{document}