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id

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runlevels

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action

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process

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runlevels¤Ë¤Ï°Û¤Ê¤Ã¤¿¥é¥ó¥ì¥Ù¥ë¤òɽ¤ï¤¹Ê£¿ô¤Îʸ»ú¤ò½ñ¤¤¤Æ¤âÎɤ¤¡£ Î㤨¤Ð¡¢123¤Ï¥é¥ó¥ì¥Ù¥ë1, 2, 3¤Ç¤½¤Î¥×¥í¥»¥¹¤òµ¯Æ°¤¹¤ë¤³¤È¤òɽ¤ï¤¹¡£ ondemand¥¨¥ó¥È¥ê¡¼¤Î¤¿¤á¤Îrunlevels¤Ï A, B, C¤Î¤¤¤º¤ì¤«°ì¤Ä¤Î¤ß¤ò½ñ¤¯¤³¤È¤¬¤Ç¤­¤ë¡£ sysinit¡¢bootµÚ¤Óbootwait¥¨¥ó¥È¥ê¡¼¤Î runlevelÍó¤Ï̵»ë¤µ¤ì¤ë¡£

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action ¤È¤·¤ÆÍ­¸ú¤Ê¤â¤Î¤Ï¼¡¤ÎÄ̤ê:

respawn

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wait

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once

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boot

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bootwait

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off

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ondemand

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initdefault

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sysinit

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powerwait

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powerfail

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powerokwait

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powerfailnow

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ctrlaltdel

init¤¬SIGINT¥·¥°¥Ê¥ë¤ò¼õ¤±¼è¤Ã¤¿¤È¤­¤Ë¼Â¹Ô¤µ¤ì¤ë¡£ ¤³¤ì¤Ï狼¤¬¥·¥¹¥Æ¥à¥³¥ó¥½¡¼¥ë¤ÇCTRL-ALT-DEL¤È¤¤¤¦ÁȤ߹ç¤ï¤»¤Ç ¥­¡¼¤ò²¡¤·¤¿¤³¤È¤ò°ÕÌ£¤¹¤ë¡£ ¥·¥¹¥Æ¥à¤ò¥·¥ó¥°¥ë¥æ¡¼¥¶¥ì¥Ù¥ë¤Ë¤·¤¿¤¤»þ¤ä¥Þ¥·¥ó¤ò¥ê¥Ö¡¼¥È ¤·¤¿¤¤»þ¤Ê¤É¡¢shutdownŪ¤Ê¤³¤È¤ò¹Ô¤¤¤¿¤¤¾ì¹ç¤Ë¼Â¹Ô¤µ¤ì¤ë¡£

kbrequest

init¤¬¥­¡¼¥Ü¡¼¥É¥Ï¥ó¥É¥é¡¼¤«¤é¡¢¥³¥ó¥½¡¼¥ë¥­¡¼¥Ü¡¼¥É¾å¤ÇÆÃÄê¤ÎÁȤ߹ç¤ï¤» ¤Î¥­¡¼ÆþÎϤ¬¹Ô¤Ê¤ï¤ì¤¿¡¢¤È¤Î¥·¥°¥Ê¥ë¤ò¼õ¤±¼è¤Ã¤¿¤È¤­¤Ë¼Â¹Ô¤µ¤ì¤ë¡£

¤³¤Îµ¡Ç½¤Ë´Ø¤¹¤ëʸ½ñ¤Ï¤Þ¤ÀÉÔ´°Á´¤Ç¤¢¤ë; kbd-x.xx ¥Ñ¥Ã¥±¡¼¥¸Ãæ¤òõ¤»¤Ð¤è¤ê¿¤¯¤Î»ñÎÁ¤¬¸«¤Ä¤«¤ë¤À¤í¤¦ (¤³¤Îʸ½ñ¤ò½ñ¤¤¤Æ¤¤¤ë»þÅÀ¤ÇºÇ¿·¤Î¤â¤Î¤Ï kbd-0.94 ¤Ç¤¢¤ë)¡£ ´ðËÜŪ¤Ë¤Ï¡¢¤¢¤ë¥­¡¼¤ÎÁȤ߹ç¤ï¤»¤ò"KeyboardSignal"¤È¤¤¤¦Æ°ºî¤Ë·ë¤Ó¤Ä¤±¤¿¤¤ ¤È¤¤¤¦¾ì¹ç¤ËÍѤ¤¤é¤ì¤ë¡£ Î㤨¤Ð¡¢Alt-¾å¸þ¤­Ìð°õ¤È¤¤¤¦¥­¡¼¤ÎÁȤ߹ç¤ï¤»¤ò¤³¤ÎÍÑÅӤ˻Ȥ¤¤¿¤¤¾ì¹ç¤Ï¡¢ ¥­¡¼¥Þ¥Ã¥×¥Õ¥¡¥¤¥ëÃæ¤Ë¼¡¤ÎÍͤ˽ñ¤¤¤Æ¤ª¤±¤Ð¤è¤¤:

alt keycode 103 = KeyboardSignal

Îã

# linuxÍѤÎinittab
id:1:initdefault:
rc::bootwait:/etc/rc
1:1:respawn:/etc/getty 9600 tty1
2:1:respawn:/etc/getty 9600 tty2
3:1:respawn:/etc/getty 9600 tty3
4:1:respawn:/etc/getty 9600 tty4

¼¡¤Ë¼¨¤¹¤Î¤Ï¡¢°Û¤Ê¤Ã¤¿¥é¥ó¥ì¥Ù¥ë¤¬¤¢¤ë¼ê¤Î¹þ¤ó¤ÀÎã¤Ç¤¢¤ë (¥¹¥¯¥ê¥×¥ÈÃæ¤Î¥³¥á¥ó¥È¤ò»²¾È):

# ¥Ö¡¼¥È¸å¤ËÆþ¤ë¤Ù¤­¥é¥ó¥ì¥Ù¥ë
id:2:initdefault:

# ²¿¤è¤êÀ褺¥·¥¹¥Æ¥à¤Î½é´ü²½¤ò¤¹¤ë¡£
si::sysinit:/etc/rc.d/bcheckrc

# ¥é¥ó¥ì¥Ù¥ë0µÚ¤Ó6¤Ï¤½¤ì¤¾¤ì halt¤Èreboot¡£
# 1 ¤Ï¥á¥ó¥Æ¥Ê¥ó¥¹¥â¡¼¥É
l0:0:wait:/etc/rc.d/rc.halt
l1:1:wait:/etc/rc.d/rc.single
l2:2345:wait:/etc/rc.d/rc.multi
l6:6:wait:/etc/rc.d/rc.reboot

# "»°¤Ä»Ø¤ò¤Ä¤¤¤Æ¥ê¥»¥Ã¥È"¤µ¤ì¤¿»þ¤Ë²¿¤ò¤¹¤Ù¤­¤«¡£
ca::ctrlaltdel:/sbin/shutdown -t5 -rf now

# ¥é¥ó¥ì¥Ù¥ë2µÚ¤Ó3: ¥³¥ó¥½¡¼¥ë¤Çgetty¤ò¼Â¹Ô¤¹¤ë
# (¥ì¥Ù¥ë3¤Î¾ì¹ç¤Ï¥â¥Ç¥à¥Ý¡¼¥È¤Ç¤â)¡£
1:23:respawn:/sbin/getty tty1 VC linux
2:23:respawn:/sbin/getty tty2 VC linux
3:23:respawn:/sbin/getty tty3 VC linux
4:23:respawn:/sbin/getty tty4 VC linux
S2:3:respawn:/sbin/uugetty ttyS2 M19200

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