Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

linux¸ùÎļþϵͳ¹ÒÔØ

ÓÉbootload½øÈëlinuxºóÓÉhead.s½øÈëÁËstart_kernelÁË.
asmlinkage void __init start_kernel(void)
{
       char * command_line;
       extern struct kernel_param __start___param[], __stop___param[];
       ………………..
       setup_arch(&command_line);
       ………….
       ………..
       vfs_caches_init(num_physpages); ………….     
 
…………...
       rest_init();
}
 
ÖØÒªº¯Êý½âÊÍ
 
1.Setup_archÊǽâÊÍbootloader´«¹ýÀ´µÄ²ÎÊý£¬²¢¸½Ïà¹Ø²ÎÊý¡£
 
void __init setup_arch(char **cmdline_p)
{
       struct tag *tags = (struct tag *)&init_tags;
       struct machine_desc *mdesc;
       char *from = default_command_line;
 
       setup_processor();
       mdesc = setup_machine(machine_arch_type);
       machine_name = mdesc->name;
 
       if (mdesc->soft_reboot)
              reboot_setup("s");
 
       if (mdesc->boot_params)
              tags = phys_to_virt(mdesc->boot_params);
 
       /*
        * If we have the old style parameters, convert them to
        * a tag list.
        */
 &nb


Ïà¹ØÎĵµ£º

Linux erron³£Á¿

#define EPERM            1      /* Operation not permitted */
#define ENOENT           2      /* No such file or directory */
#define ESRCH&nbs ......

¡¶LINUXÉ豸Çý¶¯³ÌÐò¡·Ñ§Ï°Ôý¼Ç£¨Ò»£©

×ܽáÕ½ڣºµÚÒ»Õ É豸Çý¶¯³ÌÐò¼ò½é
          µÚ¶þÕ ¹¹ÔìºÍÔËÐÐÄ£¿é
Ìáµ½Çý¶¯³ÌÐò¾Í²»µÃ²»ÏÈ˵ÏÂÁ½¸öÃû´Ê£ºÄں˿ռäºÍÓû§¿Õ¼ä¡£Óû§¿Õ¼ä¼´Óû§Ó¦ÓÃËùÔËÐеĿռ䣬Äں˿ռäÖµµÃÊDzÙ×÷ϵͳÄÚºËÔËÐеĿռ䡣Óû§¿Õ¼ä²»ÄÜÖ±½ÓÒýÓûòÕß²Ù×÷Äں˿ռäµÄÊý¾Ý£¬Äں˿ռäÒ²²»ÄÜÖ±½ ......

Unix/Linux»·¾³³£Óÿâ¼ò½é

Ò»¸ö³ÌÐòµÄ¿ª·¢Àë²»¿ªÐí¶à¿âº¯ÊýµÄÖ§³Ö£¬¿ÉÊÇ¿âÈç´ËÖ®¶à£¬ÓпªÔ´Ãâ·ÑµÄÒ²ÓÐÊշѵġ£ºÜÏ£ÍûÊìϤ±à³ÌµÄǰ±²°Ñ×Ô¼ºµÄ¾­ÑéÕûÀíÏ£¬³£ÓõĿⶼ°üº¬ÄÄЩ¹¦ÄÜ¡£ÏÂÎÄÊÇÔÚÍøÉÏÕÒµÄÒ»¸öÀàËÆµÄ×ÊÁÏ¡£ÆÚ´ý¸ü¶à¸üÈ«µÄÄÚÈÝ¡£
---------------------------------------------------------------------------------------------------
¿´µ ......

Linux ÏûÏ¢ÖØ¶¨Ïò°ì·¨

Linux ÏûÏ¢ÖØ¶¨Ïò°ì·¨
command > filename
°Ñ±ê×¼Êä³öÖØ¶¨Ïòµ½Ò»¸öÖ¸¶¨ÎļþÖÐ
command 1 > fielname
°Ñ±ê×¼Êä³öÖØ¶¨Ïòµ½Ò»¸öÖ¸¶¨ÎļþÖÐ(ͬÉÏ)
command 2 > filename
°Ñ±ê×¼´íÎóÖØ¶¨Ïòµ½Ò»¸öÎļþÖÐ
command >! filename
°Ñ±ê×¼Êä³öÖØ¶¨Ïòµ½Ò»¸ö
Ö¸¶¨
ÎļþÖУ¬ÈôÎļþ´æÔÚ£¬Ôò¸²¸Ç
command >&am ......

linux ³£ÓÃÍøÂ繤¾ß

1£¬ÍøÂçÕûÌåÁ÷Á¿²é¿´
  ifconfig -s
  cat /proc/net/dev
  sar -n DEV/EDEV interval(ʱ¼ä¸ô) count(´ÎÊý)
  nload -m [-d interface]
2£¬Ïêϸ²é¿´ÍøÂçÁ÷Á¿£¬±ÈÈç²é¿´Ä³Ò»¸öip/port£¬Ä³Ò»¸öЭÒé
  iptraf£¬Îı¾´°¿Ú½çÃæ
  ntop£¬webÍøÒ³½çÃæ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ