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[linuxjm/jm.git] / manual / SysVinit / draft / man8 / halt.8

.\" This page is originally in the SysVinit package.
.\"
.\" Translated Fri 14 Feb 1997
.\"         by Kazuyoshi Furutaka <furutaka@Flux.tokai.jaeri.go.jp>
.\" Updated Sat  6 May 2000 by Kentaro Shirakata <argrath@ub32.org>
.\" Updated Thu 26 Sep 2002 by NAKANO Takeo <nakano@apm.seikei.ac.jp>
.\"
.\"{{{}}}
.\"{{{  Title
.TH HALT 8 "Nov 6, 2001" "" "Linux System Administrator's Manual"
.\"}}}
.\"{{{  Name
.\"O .SH NAME
.\"O halt, reboot, poweroff \- stop the system.
.SH ̾Á°
halt, reboot, poweroff \- ¥·¥¹¥Æ¥à¤òÄä»ß¤¹¤ë
.\"}}}
.\"{{{  Synopsis
.\"O .SH SYNOPSIS
.SH ½ñ¼°
.B /sbin/halt
.RB [ \-n ]
.RB [ \-w ]
.RB [ \-d ]
.RB [ \-f ]
.RB [ \-i ]
.RB [ \-p ]
.RB [ \-h ]
.br
.B /sbin/reboot
.RB [ \-n ]
.RB [ \-w ]
.RB [ \-d ]
.RB [ \-f ]
.RB [ \-i ]
.br
.B /sbin/poweroff
.RB [ \-n ]
.RB [ \-w ]
.RB [ \-d ]
.RB [ \-f ]
.RB [ \-i ]
.RB [ \-h ]
.\"}}}
.\"{{{  Description
.\"O .SH DESCRIPTION
.SH ÀâÌÀ
.\"O \fBHalt\fP notes that the system is being brought down in the file
.\"O \fI/var/log/wtmp\fP, and then either tells the kernel to halt, reboot or
.\"O poweroff the system.
\fBhalt\fP¤Ï¡¢¥·¥¹¥Æ¥à¤Î½ªÎ»¤ò \fI/var/log/wtmp\fP ¥Õ¥¡¥¤¥ë¤Ëµ­Ï¿¤·¡¢
¥«¡¼¥Í¥ë¤Ë¥·¥¹¥Æ¥à¤ÎÄä»ß (halt)¡¢ºÆµ¯Æ° (reboot)¡¢
ÅŸ»ÃÇ (poweroff) ¤Î¤¤¤º¤ì¤«¤ò¹Ô¤¦¤è¤¦Ì¿Î᤹¤ë¡£
(ÌõÃí: reboot, poweroff ¤Ï halt ¤Ø¤Î¥ê¥ó¥¯¤Ç¤¢¤ê¡¢
Æ°ºî¤Ï¤É¤Î̾Á°¤Çµ¯Æ°¤·¤¿¤«¤Ë¤è¤Ã¤Æ·è¤Þ¤ë¡£)
.PP
.\"O If \fBhalt\fP or \fBreboot\fP is called when the system is
.\"O \fInot\fP in runlevel \fB0\fP or \fB6\fP, in other words when it's running
.\"O normally, \fBshutdown\fP will be invoked instead (with the \fB-h\fP
.\"O or \fB-r\fP flag). For more info see the \fBshutdown\fP(8)
.\"O manpage.
¥·¥¹¥Æ¥à¤Î¥é¥ó¥ì¥Ù¥ë¤¬ \fB0\fP ¤Þ¤¿¤Ï \fB6\fP ¤Ç¤Ê¤¤¤È¤­¤Ë¡¢
¤¹¤Ê¤ï¤Á¥·¥¹¥Æ¥à¤¬Ä̾ï¤ËÆ°ºî¤·¤Æ¤¤¤ë¤È¤­¤Ë
\fBhalt\fP ¤ä \fBreboot\fP ¤¬¸Æ¤Ó½Ð¤µ¤ì¤ë¤È¡¢
Âå¤ï¤ê¤Ë \fBshutdown\fP(8) ¤¬
(\fB-h\fP ¤ä \fB-r\fP ¥ª¥×¥·¥ç¥ó¤òÉÕ¤±¤Æ) µ¯Æ°¤µ¤ì¤ë¡£
¾ÜºÙ¤Ï
.BR shutdown (8)
¤Î man ¥Ú¡¼¥¸¤ò»²¾È¤Î¤³¤È¡£
.PP
.\"O The rest of this manpage describes the behaviour in runlevels 0
.\"O and 6, that is when the systems shutdown scripts are being run.
¤³¤Î man ¥Ú¡¼¥¸¤Ç¤Ï¥é¥ó¥ì¥Ù¥ë 0 ¤ª¤è¤Ó 6¡¢
¤¹¤Ê¤ï¤Á¥·¥¹¥Æ¥à¤Î¥·¥ã¥Ã¥È¥À¥¦¥ó¥¹¥¯¥ê¥×¥È¤¬Æ°ºîÃæ¤Î¾ì¹ç
¤Ë¤ª¤±¤ë¿¶Éñ¤¤¤òÀâÌÀ¤¹¤ë¡£
.\"}}}
.\"{{{  Options
.\"O .SH OPTIONS
.SH ¥ª¥×¥·¥ç¥ó
.IP \fB\-n\fP
.\"O Don't sync before reboot or halt.
ºÆµ¯Æ°¤Þ¤¿¤ÏÄä»ß¤¹¤ëÁ°¤Ë sync ¤·¤Ê¤¤¡£
.IP \fB\-w\fP
.\"O Don't actually reboot or halt but only write the wtmp record
.\"O (in the \fI/var/log/wtmp\fP file).
¼ÂºÝ¤Ë¤ÏºÆµ¯Æ°¤Þ¤¿¤ÏÄä»ß¤»¤º¤Ë¡¢
wtmp¥ì¥³¡¼¥É (\fI/var/log/wtmp\fP ¥Õ¥¡¥¤¥ë) ¤Ø¤Îµ­Ï¿¤Î¤ß¤ò¹Ô¤¦¡£
.IP \fB\-d\fP
.\"O Don't write the wtmp record. The \fB\-n\fP flag implies \fB\-d\fP.
wtmp¥ì¥³¡¼¥É¤Ø¤Îµ­Ï¿¤ò¹Ô¤ï¤Ê¤¤¡£
\fB\-n\fP ¥ª¥×¥·¥ç¥ó¤ò»ØÄꤷ¤¿¾ì¹ç¤Ï¡¢
¼«Æ°Åª¤Ë \fB\-d\fP ¥ª¥×¥·¥ç¥ó¤âÉÕ¤±¤é¤ì¤ë¡£
.IP \fB\-f\fP
.\"O Force halt or reboot, don't call \fBshutdown\fP(8).
\fBshutdown\fP(8) ¤òµ¯Æ°¤»¤º¡¢¶¯À©Åª¤Ë halt ¤Þ¤¿¤Ï reboot ¤¹¤ë¡£
.IP \fB\-i\fP
.\"O Shut down all network interfaces just before halt or reboot.
Ää»ß¤Þ¤¿¤ÏºÆµ¯Æ°¤¹¤ëľÁ°¤Ë
Á´¤Æ¤Î¥Í¥Ã¥È¥ï¡¼¥¯¥¤¥ó¥¿¡¼¥Õ¥§¡¼¥¹¤òÀÚÃǤ¹¤ë¡£
.IP \fB\-h\fP
.\"O Put all harddrives on the system in standby mode just before halt or poweroff.
Ää»ß¤Þ¤¿¤ÏºÆµ¯Æ°¤¹¤ëľÁ°¤Ë¥·¥¹¥Æ¥à¤Î¤¹¤Ù¤Æ¤Î¥Ï¡¼¥É¥Ç¥£¥¹¥¯¤ò
standby ¥â¡¼¥É¤Ë¤¹¤ë¡£
.IP \fB\-p\fP
.\"O When halting the system, do a poweroff. This is the default when halt is
.\"O called as \fBpoweroff\fP.
¥·¥¹¥Æ¥à¤òÄä»ß¤¹¤ë»þ¤Ë¡¢ÅŸ»¤òÀڤ롣
halt ¤¬ \fBpoweroff\fP ¤È¤¤¤¦Ì¾Á°¤Çµ¯Æ°¤µ¤ì¤¿»þ¤Ï¤³¤ì¤¬¥Ç¥Õ¥©¥ë¥È¤Ç¤¢¤ë¡£
.\"}}}
.\"{{{  Diagnostics
.\"O .SH DIAGNOSTICS
.SH ÊÖ¤êÃÍ
.\"O If you're not the superuser, you will get the message `must be superuser'.
¥¹¡¼¥Ñ¡¼¥æ¡¼¥¶¤Ç¤Ê¤¤¿Í¤¬ÍѤ¤¤¿¾ì¹ç¤Ï `must be superuser'
¤È¤¤¤¦¥á¥Ã¥»¡¼¥¸¤¬É½¼¨¤µ¤ì¤ë¡£
.\"}}}
.\"{{{  Notes
.\"O .SH NOTES
.SH Ãí°Õ
.\"O Under older \fBsysvinit\fP releases , \fBreboot\fP and \fBhalt\fP should
.\"O never be called directly. From release 2.74 on \fBhalt\fP and \fBreboot\fP
.\"O invoke \fBshutdown\fP(8) if the system is not in runlevel 0 or 6. This
.\"O means that if \fBhalt\fP or \fBreboot\fP cannot find out the current
.\"O runlevel (for example, when \fI/var/run/utmp\fP hasn't been initialized
.\"O correctly) \fBshutdown\fP will be called, which might not be what you want.
.\"O Use the \fB-f\fP flag if you want to do a hard \fBhalt\fP or \fBreboot\fP.
¸Å¤¤ÈǤΠ\fBsysvinit\fP ¤Ç¤Ï¡¢
\fBreboot\fP ¤ä \fBhalt\fP ¤òľÀܸƤӽФ·¤Æ¤Ï¤Ê¤é¤Ê¤«¤Ã¤¿¡£
2.74 ÈǤ«¤é¤Ï¡¢¥·¥¹¥Æ¥à¤Î¥é¥ó¥ì¥Ù¥ë¤¬ 0 ¤« 6 ¤Ç¤Ê¤¤¾ì¹ç¤Ë¤Ï
\fBhalt\fP ¤ä \fBreboot\fP ¤Ï \fIshutdown\fP ¤òµ¯Æ°¤¹¤ë¡£ 
¤³¤Î¤¿¤á
\fBhalt\fP ¤ä \fBreboot\fP ¤¬¸½ºß¤Î¥é¥ó¥ì¥Ù¥ë¤òǧ¼±¤Ç¤­¤Ê¤¤¾ì¹ç
(Î㤨¤Ð \fI/var/run/utmp\fP ¤¬Àµ¤·¤¯½é´ü²½¤µ¤ì¤Æ¤¤¤Ê¤¤¾ì¹ç) ¤Ë¤Ï
\fBshutdown\fP ¤¬µ¯Æ°¤µ¤ì¤ë¤³¤È¤Ë¤Ê¤ë¤¬¡¢
¤³¤ì¤Ï˾¤àÆ°ºî¤È¤Ï°Û¤Ê¤ë¤«¤â¤·¤ì¤Ê¤¤¡£
¶¯À©Åª¤Ë \fBhalt\fP ¤ä \fBreboot\fP ¤ò¼Â¹Ô¤·¤¿¤¤»þ¤Ë¤Ï
\fB-f\fP ¥ª¥×¥·¥ç¥ó¤ò»È¤¦¤³¤È¡£
.PP
.\"O The \fB-h\fP flag puts all harddisks in standby mode just before halt
.\"O or poweroff. Right now this is only implemented for IDE drives. A side
.\"O effect of putting the drive in standby mode is that the write cache
.\"O on the disk is flushed. This is important for IDE drives, since the
.\"O kernel doesn't flush the write-cache itself before poweroff.
\fB-h\fP ¥ª¥×¥·¥ç¥ó¤ÏÄä»ß¤Þ¤¿¤ÏÅŸ»ÃǤÎľÁ°¤Ë¤¹¤Ù¤Æ¤Î¥Ï¡¼¥É¥Ç¥£¥¹¥¯¤ò
standby ¥â¡¼¥É¤Ë¤¹¤ë¡£
¸½ºß¤Ç¤Ï¤³¤Îµ¡Ç½¤Ï IDE ¥É¥é¥¤¥Ö¤ËÂФ·¤Æ¤Î¤ß¼ÂÁõ¤µ¤ì¤Æ¤¤¤ë¡£
¥Ï¡¼¥É¥Ç¥£¥¹¥¯¤ò standby ¥â¡¼¥É¤Ë¤¹¤ë¤È¡¢
ÉûºîÍѤȤ·¤Æ¥Ç¥£¥¹¥¯¤Î write ¥­¥ã¥Ã¥·¥å¤¬¥Õ¥é¥Ã¥·¥å¤µ¤ì¤ë¡£
¤³¤ì¤Ï IDE ¥É¥é¥¤¥Ö¤Ç¤Ï½ÅÍפʤ³¤È¤Ê¤Î¤Ç¤¢¤ë¡£
¥«¡¼¥Í¥ë¼«¿È¤ÏÅŸ»ÃǤÎÁ°¤Ë
write ¥­¥ã¥Ã¥·¥å¤Î¥Õ¥é¥Ã¥·¥å¤ò¹Ô¤ï¤Ê¤¤¤«¤é¤Ç¤¢¤ë¡£
.PP
.\"O The \fBhalt\fP program uses /proc/ide/hd* to find all IDE disk devices,
.\"O which means that /proc needs to be mounted when \fBhalt\fP or
.\"O \fBpoweroff\fP is called or the \fB-h\fP switch will do nothing.
\fBhalt\fP ¥×¥í¥°¥é¥à¤Ï¤¹¤Ù¤Æ¤Î IDE ¥Ç¥£¥¹¥¯¥Ç¥Ð¥¤¥¹¤ò¸¡º÷¤¹¤ë¤¿¤á¡¢
/proc/ide/hd* ¤òÍѤ¤¤ë¡£
¤¹¤Ê¤ï¤Á \fBhalt\fP ¤ä \fBpoweroff\fP ¤ò¸Æ¤Ö¤È¤­¤Ë¤Ï
/proc ¤¬¥Þ¥¦¥ó¥È¤µ¤ì¤Æ¤¤¤ëɬÍפ¬¤¢¤ë¡£
¤µ¤â¤Ê¤¤¤È \fB-h\fP ¥ª¥×¥·¥ç¥ó¤Ï²¿¤â¤·¤Ê¤¤¡£
.PP
.\"}}}
.\"{{{  Author
.\"O .SH AUTHOR
.SH Ãø¼Ô
Miquel van Smoorenburg, miquels@cistron.nl
.\"}}}
.\"{{{  See also
.\"O .SH "SEE ALSO"
.SH ´ØÏ¢¹àÌÜ
.BR shutdown (8),
.BR init (8)
.\"}}}