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Date: Thu, 28 Dec 2000 12:21:07 +0900
From: Hidetoshi Shimokawa <simokawa@sat.t.u-tokyo.ac.jp>
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$B$;$$$<$$?tI4$0$i$$$N(B account $B$7$+$D$/$C$?$3$H$O$J$$$G$9$,(B,

taro.y> $B=iJbE*$J<ALd$J$N$G$9$,!"(B
taro.y> FreeBSD 3.4 $B$G$O!":GBg2?%"%+%&%s%H$^$G:n@.$G$-$k$N$G$7$g$&$+!)(B
taro.y> $B$^$?!"(BMAX $B$G%"%+%&%s%H$r:n@.$7$?>l9g!"(B
taro.y> $BG'>Z$K$+$+$k;~4V$H$$$&$N$O!"$I$N$/$i$$$N$b$N$J$N$G$7$g$&!)(B

/usr/include/sys/types.h $B$r8+$k$H(B uid $B$O(B 32bit$B$N$h$&$G$9$,(B,
16bit $B$0$i$$$GG<$a$F$*$/$[$&$,L5Fq$+$b$7$l$^$;$s(B.

$BC1$K(B passwd file$B$K$h$kG'>Z$@$1$G$7$?$i(B, hash $B$K$J$C$F$$$k$N$G(B,
$B?tK|$0$i$$(B account $B$,$"$C$F$b$[$H$s$I;~4V$O$+$+$i$J$$$H;W$$$^$9(B.

$B$?$@(B, $B8D!9$N(B home directory $B$r:n$C$?$j$H$+(B, $B$=$NB>IU?o$9$k(B resource
$B$r9M$($k$H(B, $B?t@i$0$i$$$,<BMQE*$J>e8B$G$O$J$$$+$H;W$$$^$9(B.

$B!t(Bdirectory $B$N(B lookup $B$O(B linear search.

$B$I$N$0$i$$$N?t$rA[Dj$5$l$F$$$k$N$G$7$g$&$+(B?

/\ Hidetoshi Shimokawa
\/  simokawa@sat.t.u-tokyo.ac.jp
PGP public key: finger -l simokawa@sat.t.u-tokyo.ac.jp
