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linux daemonº¯Êý

#include <unistd.h>
int daemon(int nochdir,int noclose)
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²¢ÇÒ½«±ê×¼ÊäÈë,Êä³öºÍ´íÎóÊä³öÖØ¶¨Ïòµ½/dev/null
daemonµÄ×÷ÓþÍÊǵ±²ÎÊýnochdirΪ0ʱ,½«¸ùĿ¼ÐÞ¸ÄΪ¹¤×÷Ŀ¼
nocloseΪ0ʱ,×öÊäÈë,Êä³öÒÔ¼°´íÎóÊä³öÖØ¶¨Ïòµ½/dev/null
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Linux iptableÎĵµ

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ÓÃiptables -ADC À´Ö¸¶¨Á´µÄ¹æ
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iptables - [RI] chain rule num rule-specification[option]
ÓÃiptables - RI ͨ¹ý¹æÔòµÄ˳ÐòÖ¸¶¨
iptables -D chain rule num[option]
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iptables -[LFZ] [chain][option]
ÓÃiptables -LFZ Á´Ãû [Ñ¡Ïî]
iptables -[NX] chain
ÓÃ -NX ......

Linuxϲ鿴ÎļþºÍÎļþ¼Ð´óСµÄdfºÍduÃüÁî

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µ±´ÅÅÌ´óС³¬¹ý±ê׼ʱ»áÓб¨¾¯Ìáʾ£¬ÕâʱÈç¹ûÕÆÎÕdfºÍduÃüÁîÊǷdz£Ã÷ÖǵÄÑ¡Ôñ¡£
    df¿ÉÒԲ鿴һ¼¶Îļþ¼Ð´óС¡¢Ê¹ÓñÈÀý¡¢µµ°¸ÏµÍ³¼°Æä¹ÒÈëµã£¬µ«¶ÔÎļþÈ´ÎÞÄÜΪÁ¦¡£
    du¿ÉÒԲ鿴Îļþ¼°Îļþ¼ÐµÄ´óС¡£
    Á½ÕßÅäºÏʹÓã ......

linux signalº¯Êý

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signalº¯Êý¶¨ÒåΪ£º
void (   * signal (int signum , void (*handler)(int)  )   )(int);
 
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typedef  void(* handler) (int)
handler signal(int signum,handler) ......

LinuxÓÃNasmÇÉ»ã±à

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LinuxϵĻã±à±àÒëÆ÷ÓжàÖÖ£¬Óï·¨Ò²²»¾¡Ïàͬ£¬ÆäÖÐGASÊDZȽϻù±¾µÄ»ã±à¹¤¾ß¡£µ«ÊÇGAS²ÉÓõIJ»ÊÇÎÒÃÇͨ³£ÔÚDOSÌåϵÏÂʹÓà ......

linux 2.6.24ÔÚS3C2410ÉϵÄÒÆÖ²(1)(»ùÓÚGEC2410)

1.ÏÂÔØlinux kernelÔ´´úÂë
µ½http://www.kernel.org/ÏÂÔØlinuxÄÚºËÔ´´úÂë,ÕâÀïÎÒÃÇʹÓÃ2.6.24.4µÄÄÚºË.
½âѹlinux-2.6.24.4.tar.bz2
[matt@localhost GEC2410]$ tar -xvjf linux-2.6.24.4.tar.bz2
[matt@localhost GEC2410]$ cd linux-2.6.24.4
2.ÐÞ¸ÄMakefile,ÉèÖý»²æ±àÒëÆ÷
ARCH  ?= arm
CROSS_COMPILE ......
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