Linux Certif

Toute la documentation sur la certification Linux LPI

shutdown

̾Á°

shutdown - ¥·¥¹¥Æ¥à¤òÊĤ¸¤Æ½ªÎ»¤µ¤»¤ë

½ñ¼°

shutdown [ -h | -r ] [ -fqs ] [ now | hh:ss | +mins ] [ message ]

reboot [ -h | -r ] [ -fqs ] [ now | hh:ss | +mins ] [ message ]

fastboot [ -h | -r ] [ -fqs ] [ now | hh:ss | +mins ] [ message ]

halt [ -h | -r ] [ -fqs ] [ now | hh:ss | +mins ] [ message ]

fasthalt [ -h | -r ] [ -fqs ] [ now | hh:ss | +mins ] [ message ]

ÀâÌÀ

shutdown ¤Ï¥·¥¹¥Æ¥à¤ÎÅŸ»Ää»ß¤ä¥ê¥Ö¡¼¥È¤Î½àÈ÷¤ò¤¹¤ë¡£¤¤¤ÄÄä»ß¤¹¤ë¤«¤ò¡¢»þ¹ï¤Þ¤¿ ¤Ï¸½ºß¤«¤é¤ÎÂÔ¤Á»þ´Ö¤Ç»ØÄê¤Ç¤­¤ë¡£¤¹¤Ù¤Æ¤Î¥æ¡¼¥¶¡¼¤Ë¡¢¥·¥ã¥Ã¥È¥À¥¦¥ó¤Î ·Ù¹ð¥á¥Ã¥»¡¼¥¸¤¬Á÷¤é¤ì¤ë¡£¥³¥Þ¥ó¥É¥é¥¤¥ó¤Ç¥á¥Ã¥»¡¼¥¸¤¬»ØÄꤵ¤ì¤Ê¤«¤Ã¤¿ ¾ì¹ç¤Ë¤Ï¡¢ shutdown ¤ÏÁ÷¿®¤¹¤ë¥á¥Ã¥»¡¼¥¸¤ò¿Ò¤Í¤Æ¤¯¤ë¡£¤¿¤À¤· -q ¥ª¥×¥·¥ç¥ó¤ò¥»¥Ã¥È¤·¤¿¾ì¹ç¤Ë¤Ï¿Ò¤Í¤Ê¤¤¡£

halt ¤Ï shutdown -h -q now ¤ÈƱ¤¸¡£

fasthalt ¤Ï shutdown -h -q -f now ¤ÈƱ¤¸¡£

reboot ¤Ï shutdown -r -q now ¤ÈƱ¤¸¡£

fastboot ¤Ï shutdown -r -q -f now ¤ÈƱ¤¸¡£

²¿¤â»ØÄꤵ¤ì¤Ê¤«¤Ã¤¿¾ì¹ç¡¢¥Ç¥Õ¥©¥ë¥È¤ÎÂÔ¤Á»þ´Ö¤Ï 2 ʬ¤Ë¤Ê¤ë¡£

¥·¥ã¥Ã¥È¥À¥¦¥ó¤Î 5 ʬÁ°¤Ë (¤¢¤ë¤¤¤Ï¥·¥ã¥Ã¥È¥À¥¦¥ó¤¬ 5 ʬ°ÊÆâ¤Ë¹Ô¤ï¤ì¤ë ¾ì¹ç¤Ë¤Ïľ¤Á¤Ë)¡¢ /etc/nologin ¥Õ¥¡¥¤¥ë¤¬ºîÀ®¤µ¤ì¡¢¡Ö¥·¥¹¥Æ¥à¤¬¥À¥¦¥ó¤¹¤ë¤Î¤Ç¥í¥°¥¤¥ó¤Ï¤Ç¤­¤Ê¤¤¡×»Ý¤Î ¥á¥Ã¥»¡¼¥¸¤¬½ñ¤­¹þ¤Þ¤ì¤ë¡£ login(1) ¥×¥í¥°¥é¥à¤Ï¤³¤ì°Ê¹ß¡¢¥¹¡¼¥Ñ¡¼¥æ¡¼¥¶¡¼°Ê³°¤Î¥í¥°¥¤¥ó¤òµö²Ä¤·¤Ê¤¤¡£¤Þ¤¿ ¤³¤Î¤È¤­¡¢¤¹¤Ù¤Æ¤Î¥æ¡¼¥¶¡¼¤Ë¥á¥Ã¥»¡¼¥¸¤¬Á÷¿®¤µ¤ì¤ë¡£

¥·¥ã¥Ã¥È¥À¥¦¥ó¤Î»þ´Ö¤Ë¤Ê¤ë¤È¡¢ shutdown ¤Ï¤¹¤Ù¤Æ¤Î¥æ¡¼¥¶¡¼¤ËÄÌÃΤò½Ð¤·¡¢ °Ê¹ß getty(8) ¥×¥í¥»¥¹¤òºÆÀ¸À® (spawn) ¤·¤Ê¤¤¤è¤¦¤Ë init(8) ¤ËÅÁ¤¨¤ë¡£ ¤½¤Î¸å /var/log/wtmp ¥Õ¥¡¥¤¥ë¤Ë¥·¥ã¥Ã¥È¥À¥¦¥ó¤Î»þ´Ö¤ò½ñ¤­¹þ¤ß¡¢ ¾¤Î¤¹¤Ù¤Æ¤Î¥×¥í¥»¥¹¤ò kill ¤·¡¢ sync(2) ¤ò¼Â¹Ô¤·¤Æ¤¹¤Ù¤Æ¤Î¥Ç¥£¥¹¥¯¤ò¥¢¥ó¥Þ¥¦¥ó¥È¤·¡¢ºÆ¤Ó sync(2) ¤ò¼Â¹Ô¡¢¾¯¤·ÂԤäƥ·¥¹¥Æ¥à¤ò½ªÎ»¤µ¤»¤ë¤«¥ê¥Ö¡¼¥È¤µ¤»¤ë¡£

Á´¤Æ¤Î¥Ç¥£¥¹¥¯¤Î¥¢¥ó¥Þ¥¦¥ó¥È¤ËÀèΩ¤Á¡¢ SIGQUIT ¥·¥°¥Ê¥ë¤¬ init ¥×¥í¥»¥¹¤ËÁ÷¤é¤ì¡¢¤³¤ì¤Ë¤è¤Ã¤Æ shutdown(8) ¤¬µ¯Æ°¤µ¤ì¤ë¡£¤³¤¦¤¹¤ì¤Ð¡¢ init ¤Î¸Å¤¤ inode ¤¬ unlink ¤µ¤ì¤¿¾ì¹ç¤Ç¤â¥¯¥ê¡¼¥ó¤Ë¥¢¥ó¥Þ¥¦¥ó¥È¤ò¹Ô¤¦¤³¤È¤¬¤Ç¤­¤ë¡£ ¥«¥ì¥ó¥È¤Î¥×¥í¥»¥¹ ID (PID) ¤¬ 1 ¤Î¾ì¹ç¤Ï¡¢ shutdown(8) ¤Ï±Êµ×¤ËÄä»ß¤¹¤ë¡£

¥ª¥×¥·¥ç¥ó

-h

¥·¥¹¥Æ¥à¤òÄä»ß (halt) ¤¹¤ë¡£¥ê¥Ö¡¼¥È¤·¤Ê¤¤¡£ ¤³¤Î¥ª¥×¥·¥ç¥ó¤Ï¥·¥¹¥Æ¥à¤ÎÅŸ»¤òÍî¤È¤¹¤È¤­¤ËÍѤ¤¤é¤ì¤ë¡£

-r

¥·¥¹¥Æ¥à¤ò¥ê¥Ö¡¼¥È¤¹¤ë¡£

-f

¹â®»ØÄê¡£¥·¥¹¥Æ¥à¤¬¥ê¥Ö¡¼¥È¤¹¤ë¤È¤­¡¢ ¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤ò¥Á¥§¥Ã¥¯¤·¤Ê¤¤¤è¤¦¤Ë¤¹¤ë¡£ ¶ñÂÎŪ¤Ë¤Ï /fastboot ¤òºîÀ®¤¹¤ë¡£¤³¤Î¥Õ¥¡¥¤¥ë¤Ï /etc/rc ¤Ë¤è¤Ã¤Æ¸¡ÃΡʤª¤è¤Ó¾Ãµî¡Ë¤µ¤ì¤ë¤è¤¦¤Ë¤Ê¤Ã¤Æ¤¤¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¡£

-q

¥á¥Ã¥»¡¼¥¸ÍÞÀ©¡£¤³¤Î¥ª¥×¥·¥ç¥ó¤¬»ØÄꤵ¤ì¤ë¤È¥Ç¥Õ¥©¥ë¥È¤Î¥Ö¥í¡¼¥É¥­¥ã¥¹ ¥È¥á¥Ã¥»¡¼¥¸¤¬ÍѤ¤¤é¤ì¤ë¡£¥á¥Ã¥»¡¼¥¸¤ÎÆþÎϤòµá¤á¤ë¥×¥í¥ó¥×¥È¤ò¥æ¡¼¥¶¡¼ ¤Ë½Ð¤µ¤Ê¤¤¡£

-s

¥·¥ó¥°¥ë¥æ¡¼¥¶¡¼¥â¡¼¥É¤Ç¥ê¥Ö¡¼¥È¤¹¤ë¡£ ¶ñÂÎŪ¤Ë¤Ï /etc/singleboot ¤òºîÀ®¤¹¤ë¡£¤³¤Î¥Õ¥¡¥¤¥ë¤Ï simpleinit(8) ¤Ë¤è¤Ã¤Æ¸¡ÃΡʤª¤è¤Ó¾Ãµî¡Ë¤µ¤ì¤ë¤è¤¦¤Ë¤Ê¤Ã¤Æ¤¤¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¡£

¥Õ¥¡¥¤¥ë

/etc/rc

/fastboot

/etc/singleboot

/etc/nologin

/var/log/wtmp

/etc/shutdown.conf

ÀßÄê

ÀßÄê¥Õ¥¡¥¤¥ë /etc/shutdown.conf ¤òÍѤ¤¤ì¤Ð ¥Þ¥·¥ó¤òÄä»ß¤¹¤ë¤È¤­¤ÎÆ°ºî¤ò·èÄꤹ¤ë¤³¤È¤¬¤Ç¤­¤ë¡£ ¸½ºß¥µ¥Ý¡¼¥È¤µ¤ì¤Æ¤¤¤ë¥Õ¥¡¥¤¥ë·Á¼°¤ÏÈó¾ï¤Ëñ½ã¤Ê¤â¤Î¤Ç¤¢¤ë¡£ Âè°ì¹Ô¤Ë¤Ï¶õÇò¤Ç¶èÀڤä¿Æó¤Ä¤Îʸ»úÎó¤òµ­½Ò¤¹¤ë¡£ ºÇ½é¤Îʸ»úÎó¤Ï HALT_ACTION ¤È¤·¡¢ÂèÆó¤Îʸ»úÎó¤Ë¤Ï Ää»ß»þ¤ÎÆ°ºî¤ò»ØÄꤹ¤ë¡£°Ê²¼¤Î¥ª¥×¥·¥ç¥ó¤¬Å¬ÍѤǤ­¤ë¡£

halt

ñ¤Ë¥·¥¹¥Æ¥à¤òÄä»ß¤¹¤ë¡£¥Ç¥Õ¥©¥ë¥È¤ÎÆ°ºî¤Ç¤¢¤ë¡£ ¾¤Î¥ª¥×¥·¥ç¥ó¤¬¼ºÇÔ¤·¤¿¾ì¹ç¤Ë¤â¤³¤ÎÆ°ºî¤¬¹Ô¤ï¤ì¤ë¡£

power_off

¥«¡¼¥Í¥ë¤ÎÅŸ»Ãǵ¡Ç½¤òÍøÍѤ·¤è¤¦¤È¤¹¤ë¡£ APM (Advanced Power Management) µ¡Ç½¤Î¤¢¤ë¥Þ¥·¥ó¤Ç¤Î¤ßÍøÍѤǤ­¤ë¡£

programname

ÅŸ»¤òÀڤ뤿¤á¤ËÆ°ºî¤µ¤»¤ë¥³¥Þ¥ó¥É¤ò»ØÄꤹ¤ë¡£ ºÇ½é¤Îʸ»ú¤Ï "/" ¤Ç¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¡£ ¤³¤Î¥³¥Þ¥ó¥É¤Ï¥ë¡¼¥È¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤À¤±¤Ç (¤«¤Ä¥ê¡¼¥É¥ª¥ó¥ê¡¼¤Ç)¡¢ ¤µ¤é¤Ë¥Ç¡¼¥â¥ó¤¬¤Ê¤¤¾õÂÖ¤ÇÆ°ºî¤¹¤ëɬÍפ¬¤¢¤ë¡£

´ØÏ¢¹àÌÜ

umount(8), login(1), reboot(2), simpleinit(8), init(8)

¥Ð¥°

BSD ÈǤΠshutdown ¤È°Û¤Ê¤ê¡¢¥æ¡¼¥¶¡¼¤Ï¥·¥ã¥Ã¥È¥À¥¦¥ó¤ÎÄÌÃΤò°ìÅÙ¤Þ¤¿¤ÏÆóÅÙ¤·¤«¼õ¤±¼è¤é¤Ê¤¤¡£ BSD ÈǤǤϤ³¤ÎÄÌÃΤϲ¿Å٤⡢¤·¤«¤â¡ÖÌÛ¼¨¤Î¤È¤­¡×¤¬¶á¤Å¤¯¤Ë¤Ä¤ì¡¢ ¤Þ¤¹¤Þ¤¹ÉÑÈˤËȯÁ÷¤µ¤ì¤ë¡£ ¤³¤ì¤ò»ÅÍͤǤ¢¤ë¤È¤ß¤Ê¤·¤Æ¤¤¤ë¿Í¤â¤¤¤ë¤«¤â¤·¤ì¤Ê¤¤¡£

Ãø¼Ô

¤³¤Î¥Ú¡¼¥¸¤Ï¡¢ Peter Orbaek (poe@daimi.aau.dk) ¤Ë¤è¤Ã¤Æ½ñ¤«¤ì¤¿ shutdown ¤Î²òÀâ¤Ç¤¢¤ë¡£