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Logical Link Control and Adaptation Protocol(L2CAP)
Âß¼Á¬½Ó¿ØÖƺÍÊÊÅäÐÒé (L2CAP) ΪÉϲãÐÒéÌṩÃæÏòÁ¬½ÓºÍÎÞÁ¬½ÓµÄÊý¾Ý·þÎñ£¬²¢Ìṩ¶àÐÒ鹦ÄܺͷָîÖØ×é²Ù×÷¡£L2CAP ³äÐíÉϲãÐÒéºÍÓ¦ÓÃÈí¼þ´«ÊäºÍ½ÓÊÕ×î´ó³¤¶ÈΪ 64K µÄ L2CAP Ê ......
ÀýÒ»£º·¢ËÍSignaling Packet£º
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local_host="`hostname --fqdn`"
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/sbin/ifconfig |grep -Eo '\baddr:[^ \t]+' |grep -Eo '[0-9\.]+' |head -n1
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תÔØ×Ô http://www.cnblogs.com/starspace/archive/2008/10/17/1313246.html
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Files And Dirs
1. touch ---create a new, empty file
vi filename is also ok
2. mkdir ---make directory
mkdir -p ---to make all directories in the path
3. space in ......