From owner-FreeBSD-users-jp@jp.freebsd.org  Fri May 22 07:55:55 1998
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From: =?iso-2022-jp?B?GyRCJEokKyQ4GyhC?= <nakaji@zeisei.dpri.kyoto-u.ac.jp>
In-Reply-To: Your message of "Fri, 22 May 1998 01:04:35 +0900"
	<199805211604.BAA05883@jwf01.bme.ei.hosei.ac.jp>
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Date: Fri, 22 May 1998 07:55:35 +0900
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Subject: [FreeBSD-users-jp 28543] Re: What is su?
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$B$J$+$8$G$9!#(B
$B;d$O!V(BSuper User $B$K$J$l$k%3%^%s%I!W$@$H8m2r$7$F$$$^$7$?(B(1994$BG/:"(B)$B!#(B(^^;
`su -' $B$r3P$($?$N$O!"0l:rG/$G$"$C$?$+!D(B

>>> Fri, 22 May 1998 01:04:35 +0900 $B$N9o$K(B
>>> mizuta@bme.ei.hosei.ac.jp(Hirohisa Mizuta) $B;a[)$/(B
> 
> $B!V(Bsu $B$7$F(B root $B$K$J$C$?!W>l9g$H!"!V(Broot $B$G%m%0%$%s$7$?!W>l9g$H$G$O(B
> $B4D6-JQ?t$K0c$$$,@8$8$^$9!#<ALd$J$I$G<+J,$N$7$?A`:n$r@bL@$9$k;~$O(B
> $B$I$A$i$N<j=g$rMQ$$$?$+L@5-$9$k$Y$-$G$9!#(B

$B4D6-JQ?t$N$3$H$r5$$K$9$k$N$J$i!"(Bsu - $B$G!V(Broot $B$G%m%0%$%s$7$?>uBV!W$K$J(B
$B$k$+$i!"$=$NJ}$,$$$$$h$&$K;W$$$^$9!#<+J,$N(B .cshrc $B$J$s$+$K!"(Buid $B$,(B 0
$B$+$I$&$+$J$I$H$$$&>r7o$r$$$C$Q$$=q$/$h$j!"(B/root/.{cshrc,profile} $B$rD>(B
$B$KD>$9$[$&$,!"$d$d$3$7$/$J$/$F;d$O9%$-$G$9!#$^!"!V0lHL%f!<%6(B=root$B!W$J(B
$B4D6-$G$NOC$G$9$,!#(B

$B$H$3$m$G!"(B

> $B@N!";d$O(B switch user $B$@$H65$o$C$?$N$G$9$,(B
> 
> FreeBSD
>   su - substitute user identity
>   su - $B0l;~E*$KB>$N%f!<%6$K$J$j$+$o$k(B
> SunOS 4.1.3
>   su - super-user, temporarily switch to a new user ID
> SunOS 5.5.1
>   su - $B%9!<%Q!<%f!<%6$^$?$OJL$N%f!<%6$KJQ?H(B

NEWS-OS 4.2.1aRD+
  su - substitute user id temporarily
  su - $BB>$N%f!<%6$X$N@Z$jBX$((B
RedHat 4.2 (GNU sh-utils 1.16)
  su - run a shell with substitute user and group IDs

$B$@$=$&$G$9!#(B

> $B$H$$$&$3$H$G!"$3$NJU$N2r<a$K$O!"2?$+EAE}E*$J5DO@$,$"$k$H$+(B
> $B$$$m$$$m$"$k$s$8$c$J$$$+$H;W$($FMh$^$7$?!#(B

$BA0$K!"(Bfj.* ($B$I$3$G$7$?$C$1(B) $B$G$"$j$^$7$?$M!#(B

> $B$A$g$C$H(B FreeBSD $B8GM-$NLdBj$8$c$J$$$N$G$9$,!D(B

$B$$$d$[$s$^!#(B(^^;
----====----====----====----
NAKAJI Hiroyuki ($BCf<#(B $B909T(B)
$B!V=i?4<T$G$9(B(^^;$B!W!V$@$+$i$I$&$7$?(B:-<$B!W(B
