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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
°²×°¹ý³ÌÌáʾÈçÏ£º
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0
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For more information on what data Registration collects and
how it is managed and used, see:
http://java.sun.com/javase/registration/JDKRegistrationPrivacy.html
Press Enter to continue.....
 
Done.
×°Íê¾Í»á¿´µ½/usr/java϶àÁËÒ»¸öĿ¼£ºjdk1.6.0_19
 
 
 
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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
 
ÒÔrootÓû§Éí·ÝÐÞ¸Ä.bashrcÎļþ£¬ÎļþĩβÔö¼ÓÀ¶É«×ÖÌåÄÚÈÝ£º
[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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