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      NS 2ÊÇÒ»ÖÖÕë¶ÔÍøÂç¼¼ÊõµÄÔ´´úÂ빫¿ªµÄ¡¢Ãâ·ÑµÄÈí¼þÄ£ÄâÆ½Ì¨£¬Ñо¿ÈËԱʹÓÃËü¿ÉÒÔºÜÈÝÒ׵ĽøÐÐÍøÂç¼¼ÊõµÄ¿ª·¢£¬¶øÇÒ·¢Õ¹µ½½ñÌ죬ËüËù°üº¬µÄÄ£¿é·Ç³£·á¸»£¬¼¸ºõÉæ¼°µ½ÁËÍøÂç¼¼ÊõµÄËùÓз½Ãæ¡£
      NS 2£¨Network Simulator, version
2£©ÊÇÒ»ÖÖÃæÏò¶ÔÏóµÄÍøÂç·ÂÕæÆ÷£¬±¾ÖÊÉÏÊÇÒ»¸öÀëɢʼþÄ£ÄâÆ÷¡£ÓÉUC
Berkeley¿ª·¢¶ø³É¡£Ëü±¾ÉíÓÐÒ»¸öÐéÄâʱÖÓ£¬ËùÓеķÂÕæ¶¼ÓÉÀëɢʼþÇý¶¯µÄ¡£Ä¿Ç°NS2¿ÉÒÔÓÃÓÚ·ÂÕæ¸÷ÖÖ²»Í¬µÄIPÍø£¬ÒѾ­ÊµÏÖµÄһЩ·ÂÕæÓУºÍøÂç´«ÊäЭÒ飬±ÈÈçTCPºÍUDP£»ÒµÎñÔ´Á÷Á¿²úÉúÆ÷£¬±ÈÈçFTP,
Telnet, Web CBRºÍVBR£»Â·ÓɶÓÁйÜÀí»úÖÆ£¬±ÈÈçDroptail ,
REDºÍCBQ£»Â·ÓÉËã·¨£¬±ÈÈçDijkstraµÈ¡£NS2ҲΪ½øÐоÖÓòÍøµÄ·ÂÕæ¶øÊµÏÖÁ˶ಥÒÔ¼°Ò»Ð©MAC
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     1.ÎÒʹÓõÄÊÇubuntu9.04£¬ÎªÈ·±£linuxϵͳÒѾ­°²×°gcc .makeÖ®ÀàµÄÈí¼þ
        ¿ÉÒÔʹÓà sudo apt-get install build-essential
       2.³ýÁËÕâЩ»¹Òª°²×°Ò»Ð©±ØÒªµÄÒÀÀµÈí¼þ
           sudo apt-get install  g++  patch  perl  gnuplot
           sudo apt-get install tcl8.4
           sudo apt-get install tcl8.4-dev
           sudo apt-get install tk8.4
           sudo apt-get install tk8.4-dev
           sudo apt-get install libxmu-dev
       3.ÏÂÔØNS 2°²×°Èí¼þ°ü
   £¨1£©µÇÈëhttp://www.isi.edu/nsnam/ns/ns-build.html
ÏÂÔØ°²×°Èí¼þ°ü£¬ÎÒϵÄÊÇns-allinone-2.34.rar.gz,ÓÉÓÚns-allinoneÌ×¼þÒѾ­ÓÐNS 2ÔÚÖ´ÐÐʱ»áÓõ½µÄÆäËûÄ£×飬Ӧ´Ë°²×°¹ý³Ì½ÏΪ¼òµ¥¡£
    £¨2£©ÒÔrootµÇ¼ubuntu£¬ÔÚ/home/velkan(velkan ÊÇÎÒµÄÓû§Ãû)Ͻ¨Á¢ns2Îļþ¼Ð£¬½«ns-allinone-2.34.tar.gz·ÅÔÚ¸ÃÎļþ¼ÐÏ£¬ÔÚÖÕ¶ËÔËÐÐcd 
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Linux 2.6.19.x Äں˱àÒëÅäÖÃÑ¡Ïî¼ò½é

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Code maturity level options
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Prompt for development and/or incomplete code/drivers ÏÔʾÉÐÔÚ¿ª·¢ÖлòÉÐδÍê³ÉµÄ´úÂëÓëÇý¶¯.³ý·ÇÄãÊDzâÊÔÈËÔ±»òÕß¿ª·¢Õß,·ñÔòÇëÎðÑ¡Ôñ
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Linux GCC makeÎļþµÄд·¨1

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hello.c:
#include <stdio.h>
void hello(char name[])
{
printf("Hello %s!\n", name);
}

main.c:
#include "stdio.h"
#include "hello.h"
// The second
int main()
{
hello("GCC");
printf("Haha Linux Ubuntu!\n");
......

LinuxÄں˵Äͬ²½»úÖÆ

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ÎÊ£ºatomic_set(v,i)µÄ¶¨ÒåÊÇÕâÑùµÄ:
#define atomic_set(v,i) v->counter=i
µ«ÊÇ£¬ÔÚi386Ìåϵ½á¹¹ÖУ¬²»ÄÜÖ±½Ó°ÑÒ»¸öÄÚ´æ²Ù×÷Êýͨ¹ýÒ»ÌõmovÖ¸Áî´æµ½ÁíÒ»¸öÄÚ´æ²Ù×÷ÊýÖУ¬
±ÈÈçÒª°Ñint32ÀàÐ͵ıäÁ¿ i ÉèÖÃ³É j£¬±ØÐë¾­¹ýÁ½ÌõÖ¸Áî:
mov eax,j
mov i,eax
Èç¹ûÕâÑùÀ ......

googleÔõÑùʹÓÃlinux£¨Äںˣ©


googleÔõÑùʹÓÃlinux£¨Äںˣ©
½ñÄêµÄlinuxÄں˿ª·¢´ó»áÉÏ£¬googleµÄ¿ª·¢ÈËÔ±Ò²ÉĮ̈×öÁËÃûΪ“how google use linux"µÄÑݽ²¡£ÎÒ¶·µ¨·­Òë×¢½âÒ»·¬——À¨ºÅÄÚΪע½â£¬»¶Ó­¶ÁÕ߸«Õý¡£
£¨Ç°Ã漸¶Î½²google¶Ôlinux kernel´úÂëµÄ¹ÜÀí¼°¸ú½ø£¬Æ«Ï¸Ë飬²»·­ÒëÁË£©
ÔÚgoogleΪlinux¼ÓÈëµÄ´úÂëÖУ¬3/4ÊǶÔÄں˺ËÐÄ ......

redhat linux 9.0ÏÂLAMPµÄ°²×°ÓëÅäÖÃ

Ê×ÏÈ,·þÎñÆ÷GCCÒªÓÐ,²»È»Ê²Ã´¶¼²»ÄÜ×ö.Äܹ»ÓÃgcc -vÀ´²é¿´ÊÇ·ñ°²×°ÁËGCC,
#gcc -v
Reading specs from /usr/lib/gcc-lib/i386-redhat-linux/3.2.3/specs
Configured with: ../configure --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info
--enable-shared --enable-threads=posix --disable-checki ......
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