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2009-10-27
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2009-10-28
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2009-10-29
1,ls
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    ls -l ²é¿´ÏêϸµÄÊôÐÔ
  
2,lsattr
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    Èç¹ûÎļþ±»¡¡chattr +i   Ìí¼ÓÁËд±£»¤,
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3,file
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 tar czvf - /root/code > /tmp/code_bak.tgz   £¨½«/root/codeĿ¼ÏµÄËùÓгÌÐòÎļþ´ò°ü±¸·Ýµ½/tmp/code_bak.tgz£©
    tar xzvf /tmp/code_bak.tgz /root/code  £¨½«±¸·ÝµÄĿ¼Îļþ»Ö¸´µ½Ö¸¶¨Ä¿Â¼£©


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ʵսLinux Bluetooth±à³Ì (Æß) SDPЭÒé

Service Discovery Protocol(SDP)ÌṩһÖÖÄÜÁ¦£¬ÈÃÓ¦ÓóÌÐòÓз½·¨·¢ÏÖÄÄÖÖ·þÎñ¿ÉÓÃÒÔ¼°ÕâÖÖ·þÎñµÄÌØÐÔ¡£
·þÎñ·¢ÏÖЭÒé(SDP»òBluetooth SDP)ÔÚÀ¶ÑÀЭÒéÕ»ÖжÔÀ¶ÑÀ»·¾³ÖеÄÓ¦ÓóÌÐòÓÐÌØÊâµÄº¬Ò⣬·¢ÏÖÄĸö·þÎñÊÇ¿ÉÓõĺÍÈ·¶¨ÕâЩ¿ÉÓ÷þÎñµÄÌØÕ÷¡£SDP¶¨ÒåÁËbluetooth client·¢ÏÖ¿ÉÓÃbluetooth server·þÎñºÍËüÃǵÄÌØÕ÷µÄ·½·¨¡£ ......

LinuxÖÐwaitÓ÷¨


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#include<sys/types.h>
#include<sys/wait.h>
pid_t wait(int *status);
½ø³ÌÒ»µ©µ÷ÓÃÁËwait¾ÍÁ¢¼´×èÈû×Ô¼º£¬ÓÉwait×Ô¶¯·ÖÎöÊÇ·ñµ±Ç°½ø³ÌµÄij¸ö×Ó½ø³ÌÒѾ­Í˳ö£¬Èç¹ûÈÃËüÕÒµ½ÁËÕâÑùÒ»¸öÒѾ­±ä³É½©Ê¬µÄ×Ó½ø³Ì£¬wait¾Í»áÊÕ¼¯Õâ ......

ÔÚLinuxϽâѹwindowsϵÄrarÎļþ

linuxÏÂĬÈÏÖ»ÄܽâѹzipѹËõÎļþ£¬¶ørarÎļþĬÈÏûÓнâѹ֧³ÖµÄ¹¤¾ß£¬ÕâÀïÌṩһ¸ö¼òµ¥µÄ·½Ê½£¬°²×°rar¹¤¾ß£¬Ö§³ÖlinuxϽâѹrarÎļþ¡£
1£ºÊ×ÏÈÏÂÔØrar½âѹ¹¤¾ß£¬ÕâÀïÓà rarlinux-3.6.b6.tar.gz£¬¸ø³öÒ»¸öÍøÓÑÌṩµÄ°æ±¾ÏÂÔØµØÖ·£º
http://blogimg.chinaunix.net/blog/upfile2/080226173046.gz
2£º½ÓÏÂÀ´Ö´ÐÐÈçϲÙ×÷
t ......

Linux USBÇý¶¯¿ò¼Ü·ÖÎö(ת£©

Linux USBÇý¶¯¿ò¼Ü·ÖÎö£¨Ò»£©
    ³õ´Î½Ó´¥ÓëOSÏà¹ØµÄÉ豸Çý¶¯±àд£¬¸Ð¾õ»¹Í¦ÓÐÒâ˼µÄ£¬ÎªÁ˲»ÖÁÓÚÍüµô¿´¹ýµÄ¶«Î÷£¬±Ê¼Ç¸ú×ܽᵱȻ²»¿Éȱ£¬¸üºÎ¿öÎÒ¾ö¶¨ÎªÇ¶ÈëʽÂôÃüÁË¡£ºÃ£¬ÑÔ¹éÕý´«£¬ÎÒ˵һ˵Õâ¶Îʱ¼äµÄÊÕ»ñ£¬¸ú´ó¼Ò·ÖÏíÒ»ÏÂLinuxµÄÇý¶¯¿ª·¢¡£µ«Õâ´ÎÖ»ÏÈÕë¶ÔLinuxµÄUSB×Óϵͳ×÷·ÖÎö£¬ÒòΪÖÜÎåÑÐÌÖÀϰå´ß» ......

Linuxϵͳdameon³ÌÐòµÄcore dumpÉèÖÃ

To enable dumps for every daemon:

ulimit -c unlimited >/dev/null 2>&1 (-c maximum size of core files)
ulimit -S -c ${DAEMON_COREFILE_LIMIT:-0} >/dev/null 2>&1

Dump for system
:
DAEMON_COREFILE_LIMIT='unlimited'

The same for every daemon (in /etc/sysconfig/_daemon_ ......
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