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2.$lsnrctl status           ²é¿´¼àÌý¼°Êý¾Ý¿â״̬
3.$lsnrctl start            Æô¶¯¼àÌý
4.$sqlplus / as sysdba       ½øÈësqlplus
5.SQL>conn / as sysdba   ÒÔDBAÉí·ÝµÇ¼
6.SQL>startup                Æô¶¯db
                                        
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2.$lsnrctl stop             Í£Ö¹¼àÌý
3.$sqlplus / as sysdba       ½øÈësqlplus
4.SQL>conn / as sysdba   ÒÔDBAÉí·ÝµÇ¼
5.SQL>SHUTDOWN IMMEDIATE    ¹Ø±Õdb
 
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1.#su - oracle                Çл»µ½oracleÓû§ÇÒÇл»µ½ËüµÄ»·¾³
2.$sqlplus / as sysdba       ½øÈësqlplus
3.SQL>conn / as sysdba   ÒÔDBAÉí·ÝµÇ¼
4.SQL>show parameter session; ²é¿´Ëù½ÓÊܵÄsessionÊýÁ¿
5.SQL>alter system set shared_servers=10;   ½«shared_serversµÄÊýÁ¿ÉèÖÃΪ10
 
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      ttyºÍconsoleÕâЩ¸ÅÄîÖ÷ÒªÊÇһЩÐéÄâÉ豸µÄ¸ÅÄ¶ø´®¿Ú¸ü¶àµÄÊÇÖ¸Ò»¸öÕæÕýµÄÉ豸Çý¶¯¡£Ttyʵ¼ÊÊÇÒ»ÀàÖÕ¶ËI/OÉ豸µÄ³éÏó£¬Ëüʵ¼ÊÉϸü¶àµÄÊÇÒ»¸ö¹ÜÀíµÄ¸ÅÄĿµÄÊÇÏòÉϲãµÄVFSÌṩ ......

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    printk(KERN_NOTICE);
    printk(linux_banner);
    setup_arch(&command_line);
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¡¡¡¡#include¡¡¡¡ <stdlib.h>¡¡¡¡ /* ±ê×¼º¯Êý¿â¶¨Òå */
¡¡¡¡#include¡¡¡¡ <unistd.h>¡¡¡¡ /* Unix ±ê×¼º¯Êý¶¨Òå */
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LinuxÏÂÅäÖÃNTP ¼ÜÉè±¾µØÊ±¼ä·þÎñÆ÷

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NTPÊÇÓÃÀ´Ê¹ÏµÍ³ºÍÒ»¸ö¾«È·µÄʱ¼äÔ´±£³Öʱ¼äͬ²½µÄЭÒé.ÔÚLinuxÏ£¬ÎÒÃÇ¿ÉÒÔͨ¹ý×Ô´øµÄNTP(Network Time
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µ±ÄãÖ»ÓÐһ̨¿ÉÁ ......

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