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Linux kernel development Chapter1

 1 linuxÄÚºË
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                   2.2.1 ÄÚÁª£¨inline£©º¯Êý£¬gccÖ§³ÖÄÚÁªº¯Êý£¨ANSI CÔÚC99ÖÐÒ²¿ªÊ¼Ö§³Öinline£©¡£¶¨ÒåÒ»¸öÄÚÁªº¯ÊýµÄʱºò£¬ÒªÊ¹ÓÃstatic¹Ø¼ü
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2)struct timevalÓÐÁ½¸ö³ÉÔ±£¬Ò»¸öÊÇÃ룬һ¸öÊÇ΢Ãî¡£
struct timeval
{             
long tv_sec;        /* seconds */         
   long tv_usec;   /* microseconds */  
};
3) struct timespecÓÐÁ½¸ö³ÉÔ±£¬Ò»¸öÊÇÃ룬һ¸öÊÇÄÉÃë¡£
struct timespec
{
   time_t tv_sec;          /* seconds */
       long    tv_nsec;        /* nanoseconds */
};
4) struct tmÊÇÖ±¹ÛÒâÒåÉϵÄʱ¼ä±íÊ ......

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.   :   [   alias   bg   bind   break   builtin   caller   cd   command   compgen   complete   continue   declare   dirs   disown   echo eval   exec  ......

linuxÏÂÌí¼Ó·Óɱí

 # redhat-config-network
/* ʹÓÃifconfigÃüÁîÅäÖò¢²é¿´ÍøÂç½Ó¿ÚÇé¿ö */
//ÅäÖÃeth0µÄIP£¬Í¬Ê±¼¤»îÉ豸
# ifconfig eth0 192.168.168.119 netmask 255.255.255.0 up
//ÅäÖÃeth0±ðÃûÉ豸 eth0:1 µÄIP£¬²¢Ìí¼Ó·ÓÉ
# ifconfig eth0:1 192.168.168.110
# route add –host 192.168.168.110 dev eth0:1
//¼¤»î£¨½ûÓã©É豸
# ifconfig eth0:1 up(down)
//²é¿´ËùÓУ¨Ö¸¶¨£©ÍøÂç½Ó¿ÚÅäÖÃ
# ifconfig (eth0)
/* ʹÓÃroute ÃüÁîÅäÖ÷Óɱí */
//Ìí¼Óµ½Ö÷»ú·ÓÉ
# route add –host 192.168.168.110 dev eth0:1
# route add –host 192.168.168.119 gw 192.168.168.1
//Ìí¼Óµ½ÍøÂçµÄ·ÓÉ
# route add –net IP netmask MASK eth0
# route add –net IP netmask MASK gw IP
# route add –net IP/24 eth1
//Ìí¼ÓĬÈÏÍø¹Ø
# route add default gw IP
//ɾ³ý·ÓÉ
# route del –host 192.168.168.110 dev eth0:1
/* ³£ÓÃÃüÁî */
# traceroute www.pconline.com.cn
# ping www.pconline.com.cn
//ÏÔÊ¾ÍøÂç½Ó¿Ú״̬ÐÅÏ¢
# netstat –I
//ÏÔʾËùÓÐ¼à¿ØµÄ·þÎñÆ÷µÄSocketºÍÕýÔÚʹÓÃSocketµÄ³ÌÐòÐÅÏ¢
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PL/SQL developerÔ¶³Ì·ÃÎÊÊý¾Ý¿âÅäÖ÷½·¨

ʹÓÃPL/SQL developerÔ¶³Ì·ÃÎÊoracleÊý¾Ý¿âʱ£¬Ê×ÏÈҪȷ¶¨±¾»úÖÐ×°ÓÐoracle¿Í»§¶Ë¡£Ä¿Ç°»¹²»ÖªµÀÄÄÀïµ¥¶ÀµÄoracle¿Í»§¶Ë°²×°°ü¡££¨ÒòΪÎÒÓõÄÊÇoracle10g£¬oracle10g°²×°µÄ¹ý³ÌÖÐûÓÐÌØ¶¨µÄ¿Í»§¶ËÑ¡ÏËùÒÔÎÒÒ»°ã¶¼ÊÇÔÚ±¾»úÓð²×°oracleËùÓй¦ÄÜ£©
ÔÚ±¾»ú°²×°ºÃoracle¿Í»§¶Ëºó£¬ÎÒÃÇÔÚ±¾»ú(¼´¿Í»§¶Ë)µÄoracleµÄ°²×°Ä¿Â¼ÏÂE:\oracle\product\10.1.0\db_1\NETWORK\ADMINÕÒµ½tnsnames.oraÎļþ£¨ÖÁÓÚoracle¿Í»§¶Ëµ¥¶À°²×°°ü·½Ê½Ï£¬´ËÎļþµÄλÖÃĿǰ²»Çå³þ£©£¬Õâ¸öÎļþ¾ÍÊÇoracle¿Í»§¶Ë·ÃÎÊ·þÎñÆ÷¶ËµÄÅäÖÃÎļþ¡£´ò¿ª´ËÎļþ£¬ÄÚÈÝÈçÏ£¨/* */ÖеÄÄÚÈÝΪעÊÍ£©£º
# tnsnames.ora Network Configuration File: E:\oracle\product\10.1.0\db_1\network\admin\tnsnames.ora
# Generated by Oracle configuration tools.
ORCL =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = www-29aa47b8d28)(PORT = 1521)) 
    /* ÉÏÐÐÖÐHOSTºóÃæµÄ²ÎÊýÊÇÖ¸·þÎñÆ÷µÄipµØÖ·£¬´Ë´¦µÄ“www-29aa47b8d28”ÊÇÖ¸µÄ±¾»úµÄµØÖ·¡£µ±ÎÒÃÇ·ÃÎÊÔ¶³Ì·þÎñÆ÷ʱ£¬¿ÉÒÔÖ±½Óд·þÎñÆ÷µÄipµØÖ·£¬ÀýÈç192.168.0.105Ö®ÀàµÄ¡£PORTºóÃæµÄ²ÎÊýÊÇÖ ......

½â¾ö°²×°SQL Server2000 Îļþ¹ÒÆð

      1.²»ÓÃÍ˳öSQL2000°²×°³ÌÐò,Ö±½ÓÇл»µ½×ÀÃæ.
¡¡¡¡2.´ò¿ª×¢²á±í±à¼­Æ÷£¨ÔÚ“ÔËÐДÖÐÇÃÈë“regedit”Ö®ºó»Ø³µ¼´¿É£©£¬¶¨Î»µ½×¢²á±íµÄHKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager½Úµã.
¡¡¡¡3.µ¥»÷“Session Manager”Õâ¸ö½Úµã£¬È»ºóÔÚÓÒ²àµÄ´°¿ÚÖÐÕÒµ½“PendingFileRenameOperations”Ñ¡Ï˫»÷´ò¿ª£¨»òÓÒ¼üµ¥»÷ºóÑ¡Ôñ“Ð޸ĔҲ¿ÉÒÔ£©£¬È»ºó£¬½«ÆäÏÂÃæ¿Õ°×À¸ÖеÄֵȥµô£¨Çå¿Õ£©¼´¿É
¡¡¡¡4.¹Øµô×¢²á±í±à¼­Æ÷,Çл»»ØSQL2000°²×°³ÌÐò,ºóÍËÒ»²½,È»ºóÔÙµãÏÂÒ»²½¼´¿É½â¾ö! ......
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