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# uname -a               # ²é¿´ÄÚºË/²Ù×÷ϵͳ/CPUÐÅÏ¢
# head -n 1 /etc/issue   # ²é¿´²Ù×÷ϵͳ°æ±¾
# cat /proc/cpuinfo      # ²é¿´CPUÐÅÏ¢
# hostname               # ²é¿´¼ÆËã»úÃû
# lspci -tv              # ÁгöËùÓÐPCIÉ豸
# lsusb -tv              # ÁгöËùÓÐUSBÉ豸
# lsmod                  # Áгö¼ÓÔØµÄÄÚºËÄ£¿é
# env                    # ²é¿´»·¾³±äÁ¿
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# free -m                # ²é¿´ÄÚ´æÊ¹ÓÃÁ¿ºÍ½»»»ÇøÊ¹ÓÃÁ¿
# df -h                  # ²é¿´¸÷·ÖÇøÊ¹ÓÃÇé¿ö
# du -sh <Ŀ¼Ãû>        # ²é¿´Ö¸¶¨Ä¿Â¼µÄ´óС
# grep MemTotal /proc/meminfo   # ²é¿´ÄÚ´æ×ÜÁ¿
# grep MemFree /proc/meminfo    # ²é¿´¿ÕÏÐÄÚ´æÁ¿
# uptime                 # ²é¿´ÏµÍ³ÔËÐÐʱ¼ä¡¢Óû§Êý¡¢¸ºÔØ
# cat /proc/loadavg      # ²é¿´ÏµÍ³¸ºÔØ
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# mount | column -t      # ²é¿´¹Ò½ÓµÄ·ÖÇø×´Ì¬
# fdisk -l               # ²é¿´ËùÓзÖÇø
# swapon -s              # ²é¿´ËùÓн»»»·ÖÇø
# hdparm -i /dev/hda     # ²é¿´´ÅÅ̲ÎÊý(½öÊÊÓÃÓÚIDEÉ豸)
# dmesg | grep IDE       # ²é¿´Æô¶¯Ê±IDEÉ豸¼ì²â×´¿ö


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Logical Link Control and Adaptation Protocol(L2CAP)
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Exception in thread "main" java.lang.NoClassDefFoundError: DataServer
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