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CONSOLE
Section: Linux Programmer's Manual (4)Updated: October 31, 1994
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̾Á°
console - ¥³¥ó¥½¡¼¥ëüËö(console terminal) ¤È ²¾ÁÛ¥³¥ó¥½¡¼¥ë(virtual console)ÀâÌÀ
Linux ¥·¥¹¥Æ¥à¤Ï ÉáÄÌ¡¢/dev/ttyn( n ¤Ï 1 < n < 63 )¤È¸Æ¤Ð¤ì¤ë ²¾ÁÛ¥³¥ó¥½¡¼¥ë (¥á¥¸¥ã¡¼¥Ê¥ó¥Ð¡¼(major number) 4 ¥Þ¥¤¥Ê¡¼¥Ê¥ó¥Ð¡¼(minor number) 1 ¤«¤é 63 ¤Î¥¥ã¥é¥¯¥¿¡¼¥Ç¥Ð¥¤¥¹ (character device))¤ò»ý¤Ä¡£ ¸½ºß¤Î¥³¥ó¥½¡¼¥ë¤Ï /dev/console ¤Þ¤¿¤Ï /dev/tty0 (¥á¥¸¥ã¡¼ ¥Ê¥ó¥Ð¡¼ 4 ¥Þ¥¤¥Ê¡¼¥Ê¥ó¥Ð¡¼ 0 ¤Î¥¥ã¥é¥¯¥¿¡¼¥Ç¥Ð¥¤¥¹)¤Ë¤è¤Ã¤Æ¤â°·¤¨¤ë¡£ ¥Ç¥Ð¥¤¥¹¥Õ¥¡¥¤¥ë(device file) /dev/* ¤ÏÉáÄÌ MAKEDEV ¥¹¥¯¥ê¥×¥È(script) ¤Þ¤¿¤Ï mknod(1)¤ò»È¤Ã¤Æ ¥â¡¼¥É 0622 ¥ª¡¼¥Ê root.tty ¤È¤·¤ÆºîÀ®¤µ¤ì¤ë¡£¥«¡¼¥Í¥ë(kernel)¥Ð¡¼¥¸¥ç¥ó 1.1.54 °ÊÁ°¤Ï¡¢²¾ÁÛ¥³¥ó¥½¡¼¥ë¤Î¿ô¤Ï¥³¥ó¥Ñ¥¤ ¥ë»þ¤Ë(tty.h Ãæ¤Î : #define NR_CONSOLES 8 ¤Ë¤è¤Ã¤Æ)¥«¡¼¥Í¥ë¤ËËä¤á¹þ¤Þ¤ì ¤Æ¤¤¤¿¡£¤½¤·¤Æ¡¢¤½¤ì¤òÊѹ¹¤·¤Æ¥³¥ó¥Ñ¥¤¥ë¤·Ä¾¤¹¤³¤È¤Ç²¾ÁÛ¥³¥ó¥½¡¼¥ë¤Î¿ô ¤òÊѹ¹¤Ç¤¤¿¡£ ¥«¡¼¥Í¥ë¥Ð¡¼¥¸¥ç¥ó 1.1.54 °Ê¹ß¤Ç¤Ï²¾ÁÛ¥³¥ó¥½¡¼¥ë¤¬É¬ÍפȤµ¤ì¤ë»þ¤Ï¤¹¤° ¤ËÆ°ºîÃæ¤ËºîÀ®¤µ¤ì¤ë¡£
¥³¥ó¥½¡¼¥ë¾å¤Ç¥×¥í¥»¥¹(process)¤ò³«»Ï¤¹¤ë°ìÈÌŪ¤ÊÊýË¡¤Ï : (a) ¥³¥ó¥½¡¼ ¥ë¾å¤Ç getty(8) ¤ò¥¹¥¿¡¼¥È¤µ¤»¤ë¤³¤È¤ò(inittab(5) ¤ÎÃæ¤Ç) init(8) ¤ËÅÁ ¤¨¤ë¡£;(b)¥³¥ó¥½¡¼¥ë¾å¤Ç¥×¥í¥»¥¹¤ò¥¹¥¿¡¼¥È¤¹¤ë¤³¤È¤ò open(1) ¤ËÍê¤à¡£; (c) X ¤ò³«»Ï¤¹¤ë - X ¤Ï»È¤ï¤ì¤Æ¤¤¤Ê¤¤¥³¥ó¥½¡¼¥ë¤Î¤¦¤ÁºÇ½é¤Î¤â¤Î¤ò¸«ÉÕ ¤±¡¢¤½¤³¤Ëɽ¼¨¤ò½ÐÎϤ¹¤ë¡£(ÀΤʤ¬¤é¤Î doshell(8) ¤â¤¢¤ë¡£)
¥³¥ó¥½¡¼¥ë¤òÀÚ¤êÂؤ¨¤ë°ìÈÌŪ¤ÊÊýË¡¤Ï: (a)¥³¥ó¥½¡¼¥ë n ¤ËÀÚ¤êÂؤ¨¤ë ¤¿¤á¤Ë Alt+Fn ¤Þ¤¿¤Ï Ctrl+Alt+Fn ¤ò»È¤¦¡£; AltGr+Fn ¤ò»È¤¦¤È¡¢¤ª¤½¤é¤¯¥³¥ó¥½¡¼¥ë n+12 ¤ËÀÚ¤êÂؤï¤ë¡£[¤³¤³¤Ç¤Î Alt ¤È AltGr ¤Ï¤½¤ì¤¾¤ìº¸±¦¤Î Alt ¥¡¼¤ò¼¨¤¹]; (b)¸½ºß³ä¤êÅö¤Æ¤é¤ì¤Æ¤¤¤ë¥³¥ó¥½¡¼¥ë¤ò½Û´Ä¤¹¤ë¤¿¤á¤Ë Alt+±¦Ìð°õ¥¡¼ ¤Þ¤¿ ¤Ï Alt+º¸Ìð°õ¥¡¼¤ò»È¤¦; (c) chvt(1) ¥×¥í¥°¥é¥à¤ò»È¤¦¡£ (¥¡¼¥Þ¥Ã¥Ô¥ó¥°¤Ï¥æ¡¼¥¶¤¬¥»¥Ã¥È¤Ç¤¤ë¡¢ loadkeys(1)¤ò¸«¤è¡£;¾å¤Ç½Ò¤Ù¤¿ ¥¡¼ ¥Ð¥¤¥ó¥É¤Ï¥Ç¥Õ¥©¥ë¥È¤ÎÀßÄê¤Ë¤è¤ë¤â¤Î¤Ç¤¢¤ë¡£)
disalloc(8) ¥³¥Þ¥ó¥É¤Ï¡¢¥×¥í¥»¥¹¤Ë·ë¤Ó¤Ä¤±¤é¤ì¤Æ¤¤¤Ê¤¤¥³¥ó¥½¡¼¥ë ¤Î¥¹¥¯¥ê¡¼¥ó¥Ð¥Ã¥Õ¥¡(screen buffer)¤Î¤¿¤á¤Ë»È¤ï¤ì¤Æ¤¤¤ë¥á¥â¥ê¤ò³«Êü¤¹¤ë¡£
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¥³¥ó¥½¡¼¥ë¤Ï¿¤¯¤Î¾õÂÖ¤ò¤â¤Ã¤Æ¤¤¤ë¡£»ä¤Ï¡¢¤½¤ì¤Ë¤Ä¤¤¤Æ¤¤¤Ä¤«¥É¥¥å¥á¥ó ¥È¤Ë¤·¤¿¤¤¤È¹Í¤¨¤Æ¤¤¤ë¡£ ¤â¤Ã¤È¤â½ÅÍפʻö¼Â¤Ï¥³¥ó¥½¡¼¥ë¤Ï vt100 üËö¤ò¿¿»÷¤Æ¤¤¤ë(¥·¥ß¥å¥ì¡¼¥È¤· ¤Æ¤¤¤ë)¤È¤¤¤¦¤³¤È¤Ç¤¢¤ë¡£ ¥³¥ó¥½¡¼¥ë¤Ï ESC c ¤È¤¤¤¦Æó¤Ä¤Îʸ»ú¤ò°õ»ú¤¹¤ë»ö¤Ë¤è¤Ã¤Æ¡¢½é´ü¾õÂÖ¤Ë¥ê ¥»¥Ã¥È¤µ¤ì¤ë¡£ ¥¨¥¹¥±¡¼¥×¥·¡¼¥±¥ó¥¹(escape sequences)¤Ë¤Ä¤¤¤Æ¤Ï console_codes(4) ¤ÇÁ´¤ÆÀâÌÀ¤·¤Æ¤¢¤ë¡£¥Õ¥¡¥¤¥ë
/dev/console/dev/tty*
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chvt(1), deallocvt(1), loadkeys(1), mknod(1), open(1), console_codes(4), console_ioctl(4), tty(4), ttys(4), charsets(7), getty(8), init(8), mapscrn(8) resizecons(8), setfont(8),