²é¿´linuxÊÇ32λ»¹ÊÇ64λ
1.#uname -a
Èç¹ûÓÐx86_64¾ÍÊÇ64λµÄ£¬Ã»ÓоÍÊÇ32λµÄ
2.# uname -m
x86_64
3.# arch
x86_64
4.#file /bin/cat
/bin/cat: ELF 64-bit LSB executable, AMD x86-64, version 1 (SYSV), for GNU/Linux 2.4.0, dynamically linked (uses shared libs), stripped
5.²é¿´cpuÊǶàÉÙλµÄ
more /proc/cpuinfo
ÔõÑù²é¿´ LINUXÊÇ32λ»¹ÊÇ64λ
$su - root
#file /sbin/init
/sbin/init: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV),
¼´ÊÇ32λµÄ linux, ÈçÊÇ64λµÄ, ÏÔʾµÄÊÇ 64-bit
6. getconf LONG_BIT
Ïà¹ØÎĵµ£º
1. HCI²ãÐÒé¸ÅÊö£º
HCIÌṩһÌ×ͳһµÄ·½·¨À´·ÃÎÊBluetoothµ×²ã¡£ÈçͼËùʾ£º
´ÓͼÉÏ¿ÉÒÔ¿´³ö£¬Host Controller Interface(HCI) ¾ÍÊÇÓÃÀ´¹µÍ¨HostºÍModule¡£Hostͨ³£¾ÍÊÇPC£¬ ModuleÔòÊÇÒÔ¸÷ÖÖÎïÀíÁ¬½ÓÐÎʽ£¨USB,serial,pc-cardµÈ£©Á¬½Óµ½PCÉϵÄbluetooth Dongle¡£
ÔÚHostÕâÒ»¶Ë£ºapplication,SDP,L2capµÈÐÒé ......
Service Discovery Protocol(SDP)ÌṩһÖÖÄÜÁ¦£¬ÈÃÓ¦ÓóÌÐòÓз½·¨·¢ÏÖÄÄÖÖ·þÎñ¿ÉÓÃÒÔ¼°ÕâÖÖ·þÎñµÄÌØÐÔ¡£
·þÎñ·¢ÏÖÐÒé(SDP»òBluetooth SDP)ÔÚÀ¶ÑÀÐÒéÕ»ÖжÔÀ¶ÑÀ»·¾³ÖеÄÓ¦ÓóÌÐòÓÐÌØÊâµÄº¬Ò⣬·¢ÏÖÄĸö·þÎñÊÇ¿ÉÓõĺÍÈ·¶¨ÕâЩ¿ÉÓ÷þÎñµÄÌØÕ÷¡£SDP¶¨ÒåÁËbluetooth client·¢ÏÖ¿ÉÓÃbluetooth server·þÎñºÍËüÃǵÄÌØÕ÷µÄ·½·¨¡£ ......
1£©/etc/sysconfig/network-scripts/ifcfg-interface-name
ÅäÖÃÎļþifcfg-interface-name°üº¬Á˳õʼ»¯½Ó¿ÚËùÐèµÄ´ó²¿·ÖÏêϸÐÅÏ¢¡£ÆäÖÐinterface-name½«¸ù¾ÝÍø¿¨µÄÀàÐͺÍÅÅÐò¶ø²»Í¬£¬Ò»°ãÆäÃû×ÖΪeth0¡¢eth1¡¢ppp0µÈ£¬ÆäÖÐeth±íʾÒÔÌ«£¨eth0£©ÀàÐÍÍø¿¨£¬0±íʾµÚÒ»¿éÍø¿¨£¬1±íʾµÚ¶þ¿éÍø¿¨£¬¶øppp0Ôò±íʾµÚÒ»¸öpoint-to-poir ......
ÉîÈëÀí½âlinuxϵͳµ÷ÓÃÓëʹÓÃÖ®ÕûÀíƪ
Ò»¡¢ ʲôÊÇϵͳµ÷ÓÃ
ÔÚLinuxµÄÊÀ½çÀÎÒÃǾ³£»áÓöµ½ÏµÍ³µ÷ÓÃÕâÒ»ÊõÓËùνϵͳµ÷Ó㬾ÍÊÇÄÚºËÌṩµÄ¡¢¹¦ÄÜÊ®·ÖÇ¿´óµÄһϵÁеĺ¯Êý¡£ÕâЩϵͳµ÷ÓÃÊÇÔÚÄÚºËÖÐʵÏֵģ¬ÔÙͨ¹ýÒ»¶¨µÄ·½Ê½°Ñϵͳµ÷ÓøøÓû§£¬Ò»°ã¶¼Í¨¹ýÃÅ(gate)ÏÝÈë(trap)ʵÏÖ¡£ÏµÍ³µ ......