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2009 Äê 7 ÔÂ 30 ÈÕ
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ÔÚ Unix/Linux ϵͳµÄÈÕ³£¹ÜÀí¹¤×÷ÖУ¬ÏµÍ³¹ÜÀíÔ±¿ÉÄÜ»áÓöµ½Òò´ÅÅÌ¿Õ¼äºÄ¾¡¶øµ¼Ö¶ªÊ§Êý¾Ý£¬»òÕßϵͳ±ÀÀ£µÈ¡£ÕâЩÑÏÖصÄʹʼ«´óµÄÓ°ÏìÁ˹¤×÷ЧÂÊ¡£Òò´Ë£¬¹ØעϵͳµÄ´ÅÅÌʹÓÃÇé¿ö£¬½¨Á¢Ò»¸ö¾¯¸æϵͳ¶Ô´ÅÅÌ¿Õ¼äµÄDZÔÚÎÊÌâ·¢³ö¾¯¸æ£¬È·±£ÎļþϵͳûÓб»ÌîÂú»òÀÄÓÃÊÇϵͳ¹ÜÀíµÄÒ»¸öÖØÒªµÄ·½Ãæ¡£
ÔÚ±¾ÎÄÖУ¬×÷Õß½éÉÜÁËһЩ²é¿´´ÅÅÌʹÓÃÇé¿öµÄ¹¤¾ßÃüÁî²¢½áºÏÕâЩ¹¤¾ßʵÏÖÁËÒ»¸ö×Ô¶¯»¯¼à¿Ø´ÅÅÌ¿Õ¼äµÄʾ·¶½Å±¾¡£Í¨¹ý½éÉÜ£¬¶ÁÕß½«Á˽âÈçºÎ¼àÊÓ´ÅÅ̿ռ䡢ÈçºÎ·¢ÏÖ¾¿¾¹ÊÇÄÄЩÎļþϵͳռÓÃÁ˴󲿷ֵĿռ䲢ÒÔ´ËΪÒÀ¾Ý×ö³öÏàÓ¦µÄµ÷Õû¡£
Unix/Linux ´ÅÅ̹ÜÀíÏà¹ØÃüÁî½éÉÜ
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ÔÚ»ñÖª´ÅÅÌʹÓÃ״̬֮ǰ£¬Äã¿ÉÄÜÐèÒªÖªµÀÄ㵱ǰµÄϵͳʹÓõÄÊÇʲôÀàÐ͵ĴÅÅÌ£¬ËüµÄÊôÐÔ²ÎÊýÊÇʲô¡£Ä¿Ç°´ó¶àÊýµÄ Linux/Unix ·þÎñÆ÷Ó²ÅÌʹÓà SCSI »ò IDE Ó²ÅÌ¡£ÔÚ Linux ºÍ AIX Öв鿴ӲÅ̵ÄÊôÐÔʹÓò»Í¬µÄÃüÁÏÂÃæµÄÀý×Ó¸ø³öÁËÔÚ²»Í¬ÏµÍ³ÉÏÈçºÎ»ñµÃÓ²ÅÌÊôÐÔ£¬ÆäÖаüÀ¨ÖÆÔìÉÌ£¬»úÆ÷Ðͺţ¬ÐòÁкŵȡ£
Çåµ¥ 1. ÔÚ RHEL5.3 ϵͳÉϲ鿴 SCSI Ó²Å̵ÄÊôÐÔÇåµ¥ 2. ÔÚ AIX6.1 ϵͳÉÏÏÔʾӲÅÌÅäÖÃÐÅÏ¢²é¿´´ÅÅÌÓë·ÖÇøÒÔ¼°·ÖÇøÓë¹ÒÔصãµÄ¶ÔÓ¦¹Øϵ
# dmesg |grep scsi
vio_register_driver: driver ibmvscsi registering
ibmvscsi 30000002: SRP_VERSION: 16.a
scsi0 : IBM POWER Virtual SCSI Adapter 1.5.9
ibmvscsi 30000002: partner initialization complete
ibmvscsi 30000002: sent SRP login
ibmvscsi 30000002: SRP_LOGIN succeeded
ibmvscsi 30000002: host srp version: 16.a, host partition vios (1), OS 3, max io 1048576
sd 0:0:1:0: Attached scsi disk sda
sd 0:0:1:0: Attached scsi generic sg0 type 0
# lsdev -CHc disk
name status location description
hdisk0 Available 01-08-00-1,0 SCSI Disk Drive
ÉÏÃæµÄÃüÁî¸ø³öÁËϵͳ¿ÉÓõÄÓ²ÅÌÐÅÏ¢£¬´ÓÉÏÃæµÄÊä³ö¿ÉÒÔ¿´³ö£¬ÏµÍ³ÓÐÒ»¸ö¿ÉÓÃµÄ SCSI Ó²ÅÌ£¬Èç¹ûÒª»ñµÃÓ²Å̵ÄÅäÖÃÐÅÏ¢£¬¿ÉÒÔʹÓà lscfg À´²é¿´¡£
# lscfg -vl hdisk0
hdisk0 U788D.001.99DZG0B-P1-T10-L1-L0 SCSI Disk Drive (36400 MB)
Manufacturer................IBM-ESXS
Machine Type and Model.....


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#include <string.h>
#define MAX 1024
int get_file_count(char *root)
{
 DIR *dir;
 struct dirent * ptr;
 int total = 0;
 char path[MAX];
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Unix/Linux ϵͳ×Ô¶¯»¯¹ÜÀí: ÄÚ´æ¹ÜÀíƪ

2009 Äê 10 ÔÂ 29 ÈÕ
±¾ÎÄÊÇ Unix/Linux ϵͳ¹ÜÀí×Ô¶¯»¯ÏµÁÐÖеÄһƪÎÄÕ£¬Ö÷Òª½éÉÜÁËÄÚ´æ¹ÜÀíËùÉæ¼°µÄÃüÁ²¢Í¨¹ý±àд×Ô¶¯»¯½Å±¾ÊµÏÖÁËÄÚ´æ¹ÜÀíÓë¼à¿ØµÄ×Ô¶¯»¯
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linux daemon() Ó÷¨

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      int daemon(int nochdir, int noclose);
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