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д³öÍê³ÉÒÔϹ¦ÄܵÄLinuxÃüÁî:
1) ÔÚµ±Ç°Ä¿Â¼¼°Æä×ÓĿ¼ËùÓеÄ.cppÎļþÖвéÕÒ×Ö·û´®"example", ²»Çø·Ö´óСд;
2) ʹÓÃsedÃüÁî, ½«ÎļþxyzÖеĵ¥´ÊAAAÈ«²¿Ì滻ΪBBB;
3) ÓÃÒ»ÌõÃüÁî´´½¨aa bb ccÈý¸ö×ÓĿ¼
4) mount cdrom.isoÖÁ/dev/cdromĿ¼
5) ÉèÖÃulimitʹµÃ³ÌÐòÔÚSegment faultµÈÑÏÖØ´íÎóʱ¿ÉÒÔ²úÉúcoredump;
  ÉèumaskΪ002, Ôòн¨Á¢µÄÎļþµÄȨÏÞÊÇʲô?  £¨¸öÈË ¸Ð¾õ Õâ¸ö ´ð°¸Ôõô ûÓÐ -rw-r--r-- ÕâÒ»¸öÄØ£¿£©
A. -rw-rwr--
B. rwxrwx-w-
C. -------w-
D. rwxrwxr-x

1 grep -i -r example ./*.cpp

2 sed 's/AAA/BBB/g' xyz

3 mkdir -p aa/bb/cc


1).find . -name "*.cpp" -exec grep -Hni "example" {} \;
2).
content=`cat xyz`
echo $content | sed 's/AAA/BBB/g' > xyz
3). mkdir aa bb cc

5). ulimit -c unlimited

4 mount -t iso cdrom.iso /dev/cdrom

²¹³ä4ºÍ5
4£©sudo mount -o loop /path/to/cdrom.iso /dev/cdrom

5)µ±È»Ñ¡A
Îļþ£ºÐ½¨ºóµÄȨÏÞ£½666-umask
Ŀ¼£ºÐ½¨ºóµÄȨÏÞ£½777-umask

1   #grep   -i   -r   example   ./*.cpp  

2   #sed   's/AAA/BBB/g '   xyz  

3   #mkdir   -p   aa/bb/cc

4   #mount   -o   loop   ./cdrom.iso   /mnt/cdrom

5   C

ÉÏÃæµÚÈýÌ⣬aa   bb &nbs


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#define MAX_ARG_NUM 10
#define MAXLINE    512

#define PEER_PORT  1719

struct Udp2SipMsg
{
  int argc;

  c ......

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