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[root@wxr java]# pwd
/usr/java
[root@wxr java]# chomd 755 jdk-6u19-linux-i586.bin
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[root@wxr java]# ./jdk-6u19-linux-i586.bin
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[root@wxr java]# export JAVA_HOME=/usr/java/j2sdk1.4.2_06
[root@wxr java]# export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
[root@wxr java]# export PATH=$PATH:$JAVA_HOME/bin
µÄ±äÁ¿¡£ËùÒÔ×îºÃµÄ·½·¨»¹ÊÇÐÞ¸Ä.bashrcÎļþ¡££¨/rootĿ¼ÖеÄ.bashrcÊǸöÒþº¬Îļþ¡£ÐèÒªls –aÀ´¿´£©
µ±È»ÕâÑùÉèÖû·¾³±äÁ¿ÊÇ¿ÉÒÔÉúЧµÄ£¬µ«ÊÇÖ»¶Ôµ±Ç°shellÉúЧ¡£Èç¹û´ÓÁíÍâÒ»¸öshellµÇ½£¬½«²»ÄÜʹÓøղÅÉèÖÃ
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[root@wxr ~]# vi .bashrc
# User specific aliases and functions
alias rm='rm -i'
alias cp='cp -i'
alias mv='mv -i'
# Source global definitions
if [ -f /etc/bashrc ]; then
. /etc/bashrc
fi
export JAVA_HOME=/usr/java/jdk1.6.0_19
export CLASSPATH=$CLASSPATH:$JAVA_HOME/lib:$JAVA_HOME/jre/lib
export PATH=$JAVA_HOME/bin:$JAVA_HOME/jre/bin:$PATH:$HOMR/bin
µ±È»Ò²¿ÉÒÔͨ¹ý¸ü¸Ä/etc/profileÀ´ÊµÏÖ£¬²»¹ý²»ÍƼöÕâô×ö£¬ÒòΪÕâÑùµÄÉèÖý«¶ÔËùÒÔÓû§µÄshell¶¼ÉúЧ£¬¶Ôϵͳ°²È«»á²úÉúÓ°Ïì¡£
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[root@wxr ~]# reboo
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#include <sys/types.h>
#include <sys/socket.h>
#include <errno.h>
#include <netinet/in.h>
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