http://topic.csdn.net/u/20091208/11/e68fa1aa-1914-4959-bd6d-0ae32a705642.html?34060
ûÓÐÕâ¸öÎļþ¡¡
ÄãµÄÄں˰汾ÊÇ?
PHP code:
root@sid:~# uname -a
Linux sid 2.6.31-1-686 #1 SMP Sun Nov 15 20:39:33 UTC 2009 i686 GNU/Linux
root@sid:~# cat /proc/1/io
rchar: 16428807
wchar: 8202326
syscr: 27617
syscw: 5263
read_bytes: 32885248
write_bytes: 3801088
cancelled_write_bytes: 3670016
àÅ£¬ÎÒÍüÁËÌùÎҵĻúÆ÷ÅäÖÃÁË£º
2.6.9-42.ELsmp
¸úÄÚºËÅäÖÃÓйأ¬CONFIG_TASK_IO_ACCOUNTING£¬
Ïà¹ØÎÊ´ð£º
ÎÒĿǰÔÚ±¾µØµÄlinuxÉÏдÁËÒ»¸öswingµÄ½çÃæ£¬Ïëͨ¹ýÕâ¸ö½çÃæÀ´¿ØÖÆÆäËüµçÄÔµÄlinuxÖØÆô¡£
ÎÒÖªµÀÓÃRuntime.getRuntime().exec("shutdown -r");¿ÉÒÔ¿ØÖƱ¾»úLinuxÖØÆô£¬µ«ÊÇÔõô¿ØÖÆÔ¶³ÌµÄlinuxÖØÆôÄØ£¿ ......
СµÜ×î½üÐèÒªÒ»¸öÓÃsocket»ñÈ¡htmlÎĵµµÄ´úÂ룬µ«ÊÇÀÏÊDz»ÄÜ»ñÈ¡ÍêÕûµÄhtmlÔ´Âë¡£ÔÒò²»Ã÷£¬Íû¸ßÊÖÖ¸µã£¡
C/C++ code:
char *Http_GET(char *host,int port,char *data) //·¢ËÍGETÇëÇó
{
char response[2 ......
linux Ͻø³Ì´´½¨¡£
ʹÓÃvfork() º¯Êý´´½¨ÁË×Ó½ø³Ìºó£¬×Ó½ø³ÌÏÈÐÐÖ´ÐУ¬ÔÚ×Ó½ø³Ìµ÷ÓÃexit»òexec֮ǰ¸¸½ø³Ì´¦ÓÚʲô״̬£¿£¿
²»ÖªµÀ£»Ê×ÏÈδ±ØÊÇ×Ó½ø³ÌÏÈÖ´ÐУ»µÚ2¸¸½ø³ÌÒ²´¦ÓÚÖ´ÐÐ״̬£»ÖÁÓÚ¸¸½ø³Ìµ½µ××öʲô£»¿´´ ......
ÓÐʲôºÃµÄLinux½Ì³ÌÂð£¿
СµÜл¹ý~
[ÎÊÌâµãÊý:0·Ö]
google
¾Ý˵Äñ¸çµÄ˽·¿²Ë²»´í¡£
Äñ¸çµÄLinux˽·¿²Ë
¸ü¶àµÄÔÙÕâÉÏÃæÈ¥ËÑË÷һϺÜLIUNXÊé¼®»¹²»´í
ÒýÓÃ
google
Õý½â
Äñ¸çµÄLinux˽·¿²Ë ......
ÈçÌ⣬лл
LinuxÊÇ¿ªÔ´µÄ£¬ÄãËÑË÷LinuxÔ´³ÌÐòĿ¼¾Í¿ÉÒÔÕÒµ½shellÃüÁîtimeµÄʵÏÖ´úÂë¡£
kernel/time.c
ÄãµÄÍ·ÏñºÜ²»´íѽ
ʹÓú¯ÊýtimeΪ½ø³ÌÌṩµ±Ç°µÄʱ¼ä
#include<time.h>
time_t time(time ......