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    1¡¢sqlplux /nolog
    2¡¢connect /as sysdba
    3¡¢startup
    ¶þ¡¢¹Ø±Õ
    1¡¢shutdown immediate;
    [oracle@zhao ~]$ sqlplus /nolog
    SQL*Plus: Release 9.2.0.4.0 - Production on Sun Nov 1 15:08:40 2009
    Copyright (c) 1982, 2002, Oracle Corporation.  All rights reserved.
    SQL> connect /as sysdba
    Connected to an idle instance.
    SQL> startup
    ORACLE instance started.
    Total System Global Area 236000356 bytes
    Fixed Size 451684 bytes
    Variable Size 201326592 bytes
    Database Buffers 33554432 bytes
    Redo Buffers 667648 bytes
    Database mounted.
    Database opened.
    SQL>
    ¾ªÌ¾ºÅÔÚ SQL> £¡ »Ø³µ¿ÉÒÔÍ˳ö sqlÃüÁîÐÐ
    ²é¿´oracleÊý¾Ý¿âÔËÐÐÆô¶¯µÄ½ø³Ì
    SQL> !
    [oracle@zhao ~]$ ps -ef | grep oracle
    root 4268 4235 0 15:08 pts/0 00:00:00 su - oracle
    oracle 4269 4268 0 15:08 pts/0 00:00:00 -bash
    oracle 4299 4269 0 15:08 pts/0 00:00:00 sqlplus
    oracle    4302     1  0 15:09 ?        00:00:00 ora_pmon_lx92
    oracle    4304     1  0 15:09 ?        00:00:00 ora_dbw0_lx92
    oracle    4306     1  0 15:09 ?        00:00:00 ora_lgwr_lx92
    oracle    4308     1  0 1


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#include <sys/time.h>
#include <stdio.h>
#include <unistd.h>
#include <signal.h>
#include <string.h>
static char *runStatusFile   = "/syscfg/etc/runStatusFile";
//static char *runStatusFile   = "runStatusFile";
FILE *pFile = NULL;
char runCou ......

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Character devices:
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