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bc          ¼ÆËãÆ÷¾ß              
man  & info     °ïÖúÊÖ²á
locale     ÏÔʾµ±Ç°×ÖÌå     locale -a    ËùÓпÉÓÃ×ÖÌå     /etc/sysconfig/i18nÉèÖÃÎļþ
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sync       ½«Êý¾Ýͬ²½Ð´ÈëÓ²ÅÌ       
shutdonw -h now & half & poweroff  ¹Ø»ú
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/work  & ?work    ÏòÉÏ¡¢Ï²éÕÒÎĵµÄÚÈÝ
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chown     ¸Ä±äËùÊôÈË   chown root:root install.log
chmod      ¸Ä±äÊôÐÔ     chmod 777 install.log     read=4  write=2  execute=1
cp   ¸´ÖÆ   cp filename
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ʵսLinux Bluetooth±à³Ì(Áù) L2CAP±à³ÌʵÀý

ÀýÒ»£º·¢ËÍSignaling Packet£º
Signaling CommandÊÇ2¸öBluetoothʵÌåÖ®¼äµÄL2CAP²ãÃüÁî´«Êä¡£ËùÒÔµÃSignaling CommandʹÓÃCID 0x0001.
¶à¸öCommand¿ÉÒÔÔÚÒ»¸öC-frame£¨control frame£©Öз¢ËÍ¡£
 Èç¹ûÒªÖ±½Ó·¢ËÍSignaling Command.ÐèÒª½¨Á¢SOCK_RAWÀàÐ͵ÄL2CAPÁ¬½ÓSocket¡£ÕâÑù²ÅÓлú»á×Ô¼ºÌî³äCommand Code£¬Identi ......

linux 2.6Ô´´úÂëÇé¾°·ÖÎö±Ê¼Ç֮ϵͳÆô¶¯

×ʼʱ£¬ramоƬÖаüº¬µÄÊÇËæ»úÊý¾Ý¡£µ±¿ªÊ¼Æô¶¯Ê±£¬cpuµÄÒ»¸öÒý½ÅÉÏ»á²úÉúÒ»¸öresetÂß¼­Öµ¡£´Ëºó´¦ÀíÆ÷µÄһЩ¼Ä´æÆ÷ÉèÖóɹ̶¨µÄÊýÖµ£¬²¢Ö´ÐÐÔÚÎïÀíµØÖ·0xfffffff0´¦ÕÒµ½µÄ´úÂë¡£Ó²¼þ°ÑÕâ¸öµØÖ·Ó³É䵽ij¸öÖ»¶Á¡¢³Ö¾ÃµÄ´æ´¢Ð¾Æ¬ÖУ¬¸ÃоƬͨ³£³ÆÎªrom(read-only memoryÖ»¶ÁÄÚ´æ)¡£romËù´æ·ÅµÄ³ÌÐò¼¯ÔÚ80x86ÌåϵÖÐͨ³£½Ð×ö ......

linux boost¶àÏß³ÌÌØÐÔ Ïß³Ì¹ÒÆðÓ뻽ÐÑ

    ¶ÔÓÚboostÏ߳̿⣬ÌṩÁËÏ̸߳ù¾ÝÌõ¼þ½øÐÐ¹ÒÆð»½ÐѵŦÄÜ¡£Ö®Ç°¿´¹ýʹÓÃlinux±ê×¼Ï߳̿â×ö¹ýµÄһЩʵÑ飬ÏëÖªµÀboostÏ߳̿âµÄÌØÐÔÊÇ·ñÒ²Ò»Ñù¡£
    linuxÏ̵߳ϽÐÑ»úÖÆÓëwindowsµÄ²»Í¬¡£
    ÔÚwindowsÏÂÈç¹ûÖ´ÐÐÁËÏ̻߳½ÐѲÙ×÷£¬¸Ã»½ÐѲÙ×÷»áµÈ´ýµÚÒ»¸ö¹ÒÆðµÄỊ̈߳¬µ ......

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ÒÔ¹ÜÀíÔ±Éí·Ý½øÈëLinux£¬ÐÞ¸ÄÎļþ£º/etc/inittab
    ÕÒµ½“id:5:initdefault:”£¬ÆäÖеÄ5¾ÍÊÇX-Window£¬ÎªÄ¬ÈÏÔËÐм¶±ð£¬Ò»°ãÎÒÃǰÑ5¸ÄΪ3¼´¿É¡£
    Ò»¹²ÓÐ7ÖÖÆô¶¯¼¶±ð£¬·Ö±ðΪ£º
#   0 - halt (Do NOT set initdefault to this)
#   1 - Single user ......

Linux PCʹÓü¼ÇÉ £¨ubuntu£©

1. ÈçºÎÔÚLinuxÉÏʹÓùâÇý £¨ÊÔÑé»ú£ºubuntu 9.04/9.10)
sudo eject (open)
sudo eject -t (close)
sudo mount -t iso9660 -o ro /dev/cdrw /media/tmp_disk/ (mount)
2.dpkgÃüÁî
°²×°debÈí¼þ°ü
sudo dpkg -i *.deb
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sudo dpkg --get-selections > pkg.list ......
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