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fdisk -l
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Disk /dev/sda: 160.0 GB, 160040803840 bytes
255 heads, 63 sectors/track, 19457 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *           1          13      104391   83  Linux
/dev/sda2              14       19457   156183930   8e  Linux LVM
Disk /dev/sdb: 320.0 GB, 320071851520 bytes
255 heads, 63 sectors/track, 38913 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
   Device Boot      Start         End      Blocks   Id  System
/dev/sdb1               1       38913   312568641   83  Linux
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ÏÈʹÓà yum -y install sysstat
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iostat -d 2    --- report iostat every 2 seconds.
-------------------
Linux 2.6.25.9 (localhost.localdomain)  12/05/2009
Device:            tps   Blk_read/s   Blk_wrtn/s   Blk_read   Blk_wrtn
sda               3.10        87.88  &nbs


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ʵսLinux Bluetooth±à³Ì£¨Èý£© HCI²ã±à³Ì

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Logical Link Control and Adaptation Protocol(L2CAP)
Âß¼­Á¬½Ó¿ØÖƺÍÊÊÅäЭÒé (L2CAP) ΪÉϲãЭÒéÌṩÃæÏòÁ¬½ÓºÍÎÞÁ¬½ÓµÄÊý¾Ý·þÎñ£¬²¢Ìṩ¶àЭÒ鹦ÄܺͷָîÖØ×é²Ù×÷¡£L2CAP ³äÐíÉϲãЭÒéºÍÓ¦ÓÃÈí¼þ´«ÊäºÍ½ÓÊÕ×î´ó³¤¶ÈΪ 64K µÄ L2CAP Ê ......

ʵսLinux Bluetooth±à³Ì(Áù) L2CAP±à³ÌʵÀý

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Signaling CommandÊÇ2¸öBluetoothʵÌåÖ®¼äµÄL2CAP²ãÃüÁî´«Êä¡£ËùÒÔµÃSignaling CommandʹÓÃCID 0x0001.
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ת×Ô£º http://www.diybl.com/course/6_system/linux/Linuxxl/20081124/152557.html
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linux ¼Òô·ÅÒô³ÌÐò£¨´ÓÍøÉÏÕÒÀ´µÄ£©

/*
  Name: SndKit.c
  Copyright: GPLv2
  Author: rockins(ybc2084@163.com)
  Date: 15-10-06 18:22
  Description: implent raw sound record/play
  run: ./SndKit [-h] [-d device] [-c channel] [-b bits] [-f hz] [-l len] <-r|-p file>
  e.g.:
  ./SndKit ......
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