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  $B%;%-%e%j%F%#%[!<%k(B memo
  http://www.st.ryukoku.ac.jp/~kjm/security/memo/
$B$GCN$C$?$N$G$9$,(B
FreeBSD 4.0 $B$K$O(B jail $B$H$$$&%3%^%s%I$,$"$k$=$&$G$9$M!#(B

$B=>Mh$N(B kernel$B$N%W%m%;%96u4V!"%U%!%$%k6u4V$N>e$G!"(B
$B?7$7$/JL$N%U%!%$%k6u4V$rMQ0U$7(B $B$=$NCf$GJL$N%W%m%;%9$,F0$+$;$k$=$&$G$9!#(B
$B$"$k0UL#$3$l$b(B virtual host $B$J$N$+$J!#(B

$B@N(B Mach-OS$B$NK\$G(B
Mach-kernel$B$N>e$G(B UX$B%5!<%P$d(B MS-DOS$B%5!<%P$,F1;~$KF0$/(B $B$H$$$&5-=R$rFI$s(B
$B$@;~$K(B Mach$B$J$i(B $B$3$&$$$&3VN%$7$F%/%i%C%+!<$r1K$,$;$F$*$/4D6-$,:n$l$k$+(B
$B$J(B $B$H9M$($?$N$G$9$,!"$=$l$,<B8=$5$l$F$$$?$H$O!#(B

$B463PE*$K$O(B VMware $B$_$?$$$J$b$s$J$s$G$7$g$&$+!#(B

$B5nG/$N(B 4$B7n$K%3!<%I$,F~$C$F$k$s$G$9$M!#A4A3CN$i$J$+$C$?!#(B
--
$BEl5~9)6HBg3X(B $BAm9g>pJs=hM}%;%s%?!<(B $B%M%C%H%o!<%/%7%9%F%`1?MQ3](B
	$BHSEg(B $B><Gn(B (Akihiro Iijima) aki@noc.titech.ac.jp
