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2¡¢ÅäÖû·¾³±äÁ¿
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<1>JAVA_HOME
   ÉèÖÃΪ JDKµÄ°²×°Ä¿Â¼
 <2>PATH
    ÉèÖÃΪ %JAVA_HOME%\bin;%JAVA_HOME%\jre\bin
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¶þ¡¢Linux»·¾³ÏµÄJava»·¾³ÅäÖÃ
 
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<1>ÔÚ shellÖÕ¶ËÖ´ÐÐÃüÁvi /etc/profile
<2>ÔÚ profileÎļþĩβ¼ÓÈ룺
JAVA_HOME=/usr/local/jdk1.6.0_4
PATH=$JAVA_HOME/bin:$PATH
CLASSPATH=.:$JAVA_HOME/lib/dt.jar: $JAVA_HOME/lib/tools.jar
export JAVA_HOME,PATH,CLASSPATH
<3>ÖØÆôϵͳ
 
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Java ÔÚWindows&Linux »·¾³Ï»ù±¾ÅäÖÃ

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1¡¢°²×°JDK
2¡¢ÅäÖû·¾³±äÁ¿
Win2000ÒÔ¼°WinXPÖпÉÒÔÔÚ“ÎҵĵçÄÔ”ÊôÐԵē¸ß¼¶”Ñ¡ÏîÖÐÕÒµ½“»·¾³±äÁ¿”£¬È»ºó¿ÉÒÔ¸ù¾ÝÈçÏÂÌáʾ½øÐÐн¨»òÕßÐ޸ė—
<1>JAVA_HOME
   ÉèÖÃΪ JDKµÄ°²×°Ä¿Â¼
 <2>PATH
    ÉèÖÃΪ %JAVA_HOME%\bin;%JAVA_HOME%\jre\bin
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    ÉèÖÃΪ .;%JAVA_HOME%\lib;%JAVA_HOME%/lib/tools.jar
¶þ¡¢Linux»·¾³ÏµÄJava»·¾³ÅäÖÃ
 
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<1>ÔÚ shellÖÕ¶ËÖ´ÐÐÃüÁvi /etc/profile
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JAVA_HOME=/usr/local/jdk1.6.0_4
PATH=$JAVA_HOME/bin:$PATH
CLASSPATH=.:$JAVA_HOME/lib/dt.jar: $JAVA_HOME/lib/tools.jar
export JAVA_HOME,PATH,CLASSPATH
<3>ÖØÆôϵͳ
 
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LINUXÏÂΪffÌí¼Óflash ²å¼þ

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LINUXÏÂΪffÌí¼Óflash ²å¼þ

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Linuxѧϰ¼Æ»®

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linux shell ×Ö·û´®½ØÈ¡×ܽá

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1.×Ö·û´®·Ö¸îÀýÈç  AAAAA-BBBBBB  °´-·Ö¸îȥǰºóÁ½²¿·Ö
 cut £º
[rich@localhost ~]$ str=AAAAA-BBBBBB
[rich@localhost ~]$ echo $str | cut -d "-" -f 1
AAAAA
[rich@localhost ~]$ echo $str | cut -d "-" -f 2
BBBBBB
½âÊÍ£ºA £ü B  ½«AÃüÁîµÄÊä³ö ×÷ΪBÃüÁîµÄÊäÈë
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[rich@localhost ~]$ echo $str | cut -d "c" -f 1
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expr  £¦£¦ cut£º
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[rich@localhost ~]$ index=`expr index  "${str}" "-"`
[rich@localhost ~]$ echo $str | cut -c`expr "${index}" + 1`-
BBBBBB
[rich@localhost ~]$ echo $str | cut -c1-`expr ${index} - 1`
AAAAA
cut
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[rich@localhost ~]$ index=`expr ${index} - 1`
[rich@localhost ~] ......

linux catÃüÁî


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µ±ÔÚ shell ²½ÖèÖÐʹÓà cat ÃüÁîʱ£¬Äú¿ÉÄÜҪʹÓà -q ±êÖ¾À´½ûÖ¹´ËÀàÏûÏ¢¡£
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