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

Linux ÅжϻúÆ÷µÄ×Ö½Ú˳Ðò

#include <fcntl.h>
int main(void)
{
    typedef union un{
        short s;
        char c[sizeof(short)];
    }un;
    un myun;
    myun.s = 0x0102;
    if(sizeof(short) == 2){
        if(myun.c[0] == 1 && myun.c[1] == 2)
                printf("big-endian\r\n");
        else if(myun.c[0] == 2 && myun.c[1] == 1)
                printf("little-endian\r\n");
        else
                printf("unkown\r\n");
       
    }
    return 0;
}
Õª×Ô¡¶Unix ÍøÂç±à³Ì¡·


Ïà¹ØÎĵµ£º

Linux»·¾³½ø³Ì¼äͨÐÅ


Linux»·¾³½ø³Ì¼äͨÐÅ£¨Ò»£©
¹ÜµÀ¼°ÓÐÃû¹ÜµÀ
Ö£ÑåÐË (mlinux@163.com)¹ú·À¿Æ´ó¼ÆËã»úѧԺ
2002 Äê 12 ÔÂ 11 ÈÕ
ÔÚ±¾ÏµÁÐÐòÖÐ×÷Õ߸ÅÊöÁË linux ½ø³Ì¼äͨÐŵļ¸ÖÖÖ÷ÒªÊֶΡ£ÆäÖйܵÀºÍÓÐÃû¹ÜµÀÊÇ×îÔçµÄ½ø³Ì¼äͨÐÅ»úÖÆÖ®Ò»£¬¹ÜµÀ¿ÉÓÃÓÚ¾ßÓÐÇ×Ôµ¹ØÏµ½ø³Ì¼äµÄͨÐÅ£¬ÓÐÃû¹ÜµÀ¿Ë·þÁ˹ܵÀûÓÐÃû×ÖµÄÏÞÖÆ£¬Òò´Ë£¬³ý¾ßÓйܵ ......

Linux Find ÃüÁָͨÄÏ

ת×Ô£ºhttp://www.oracle.com/technology/global/cn/pub/articles/calish-find.html
Linux Find ÃüÁָͨÄÏ
×÷ÕߣºSheryl Calish
¼òµ¥½éÉÜÕâÒ»ÎÞ´¦²»ÔÚµÄÃüÁîµÄÇ¿´óµÄ·½ÃæÒÔ¼°»ìÂҵķ½Ãæ¡£
2008 Äê 7 Ô·¢²¼
Linux find
ÃüÁîÊÇËùÓÐ Linux ÃüÁîÖÐ×îÓÐÓõÄÒ»¸ö£¬Í¬Ê±Ò²ÊÇ×î»ìÂÒµÄÒ»¸ö¡£ËüºÜÄÑ£¬ÒòΪËüµÄÓï·¨ÓëÆäËû ......

linux關ÓÚlikely與unlikely

Ô­À´likelyºÍunlikelyÊÇÓÃÀ´±àÒëÓÅ»¯µÄ£¬Æäʵ¶¼¿ÉÒÔûÓС£ÎÒÃÇÖªµÀºÜ¶àcpuÀïÃæÓиæËß»º´æ£¬ÇÒÓÐÔ¤¶Á»úÖÆ£¬likelyºÍunlikely¾ÍÊÇÔö¼ÓÖ´ÐÐÅжÏÓï¾äʱµÄÃüÖÐÂÊ¡£
Èç¹ûÊÇif(lilely(a))£¬ËµÃ÷aÌõ¼þ·¢ÉúµÄ¿ÉÄÜÐÔ´ó£¬ÄÇôaÎªÕæµÄÓï¾äÔÚ±àÒë³É¶þ½øÖƵÄʱºò¾ÍÓ¦¸Ã½ô¸úÔÚÇ°Ãæ³ÌÐòµÄºóÃæ£¬ÕâÑù¾Í»á±»cacheÔ¤¶ÁÈ¡½øÈ¥£¬Ôö¼Ó³ÌÐòÖ´ÐÐ ......

SUSE Linux ά»¤±Ê¼Ç¶þ

1.ʵÏÖÍâÍø·ÃÎÊÄÚÍøµÄÔ¶³Ì×ÀÃæ
µ¥Î»»úÆ÷·þÎñÆ÷µÄIPµØÖ·ÊÇ10.3.198.108,¿ÉÒÔÉÏÍâÍø,·ÓÉÆ÷ÉÏÉèÖÃÁËÄÚÍøµÄÍâÍøÓ³É䵨ַ,ÄÚÍøµÄµØÖ·ÊÇ192.168.0.*
ÏÖÔÚҪʵÏÖ´Ó10.x.x.xµÄÐ£Ô°ÍøÄÚ·ÃÎÊ»òÕß´ÓinternetÍøÂçÉÏ·ÃÎÊ 192.168.0.*µÄÔ¶³Ì×ÀÃæ
·½·¨ÈçÏÂ
ÏÂÔØrinetd
vi /etc/rinetd.conf
--------------------------------------- ......

linux֪ʶ

ѧϰLinuxÖÕ¶ËÃüÁî
linuxĿ¼¼Ü¹¹
/   ¸ùĿ¼
/bin    ³£ÓõÄÃüÁî binary file µÄÄ¿錄
/boot   ´æ·ÅϵͳÆô¶¯Ê±±ØÐë¶ÁÈ¡µÄµµ°¸£¬°üÀ¨ºËÐÄ (kernel) ÔÚÄÚ
     /boot/grub/menu.lst   GRUBÉèÖÃ
     /boot/vmlinuz & ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ