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From: asada@ics.tj.chiba-u.ac.jp (Takuya Asada)
Subject: Re: difference between system() and fork()
Message-ID: <DGn7rF.F4H@ics.tj.chiba-u.ac.jp>
Sender: usenet@ics.tj.chiba-u.ac.jp
Nntp-Posting-Host: icsj6.tj.chiba-u.ac.jp
Organization: Chiba-University
References: <DGMyIL.5qr@isc.mew.co.jp>
Date: Wed, 18 Oct 1995 11:54:51 GMT
Lines: 23
Xref: galaxy.trc.rwcp.or.jp fj.questions.unix:4989 fj.unix:3212
X-originally-archived-at: http://galaxy.rwcp.or.jp/text/cgi-bin/newsarticle2?ng=fj.questions.unix&nb=4989&hd=a
X-reformat-date: Mon, 18 Oct 2004 15:18:22 +0900
X-reformat-comment: Tabs were expanded into 4 column tabstops by the Galaxy's archiver. See http://katsu.watanabe.name/ancientfj/galaxy-format.html for more info.

$B$"$5$@$J$N$G$9!#(B

$B868}!w>>2<EE9)$5$s(B>
> $B0J2<$N#2$D$NJ}K!$O!"$I$&$A$,$&$N$G$7$g$&!)(B
> $B#1!K(Bsystem()$B$G!"8F$S=P$9!#(B
> $B#2!K(Bfork()$B$G!";R%W%m%;%9$r:n@.$7!";R%W%m%;%9$G!"(Bexecvp$B$G8F$S(B
> $B!!!!?F%W%m%;%9$G$O!"(Bwait$B$9$k!#(B

system $B4X?t$O!"0z?t$N%3%^%s%I$r<B9T$9$k$?$a$K(B /bin/sh $B$r(B exec $B$9$k(B
$B$h$&$K$J$C$F$$$k$N$,!"%$%A%P%s$N0c$$$@$H;W$&$G$9!#(B

# $B$@$+$i(B system $B4X?t$N>l9g!"(B"*" $B$d(B "?" $B$r;H$C$?%U%!%$%kL>$N@8@.$d!"(B
# $B%Q%$%W$d%j%@%$%l%/%H$b;H$($k$G$9!#(B

> $B%5%$%:$,Hs>o$KBg$-$$$H$-$J$I$O!"(Bfork$B$K$h$j%3%T!<$,:n@.$5$l$k$H(B
> $B%a%b%j$r$?$/$5$s;HMQ$7$F$7$^$&$N$G$O$J$$$G$7$g$&$+!)(B

$B$1$C$3!<;HMQ$7$F$7$^$&$H;W$&$G$9!#(BBSD $B7O(B UNIX $B$N!"(Bvfork(2) $B$J$I$N(B 
man $B$,;29M$K$J$k$H;W$&$G$9!#(B

$B$"$5$@(B $B$?$/$d(B


