Hadoop入门学习之二：一步一步运行WordCont
WordCount是学习Hadoop的经典入门范例。下面通过一步步的操作，来编译、打包、运行WordCount程序。
1、在Hadoop 1.0.4的解压目录的如下位置可以找到WordCount.java的源文件
src/examples/org/apache/hadoop/examples/WordCount.java
2、新建一个dev的文件夹，将WordCount.java拷贝至dev/wordcount文件夹下

ubuntu@ubuntu:~$ hadoop fs -ls /tmp/output/resultFound 3 items-rw-r--r--   1 ubuntu supergroup          0 2013-01-24 08:10 /tmp/output/result/_SUCCESSdrwxr-xr-x   - ubuntu supergroup          0 2013-01-24 08:09 /tmp/output/result/_logs-rw-r--r--   1 ubuntu supergroup         96 2013-01-24 08:10 /tmp/output/result/part-r-00000ubuntu@ubuntu:~$ hadoop fs -cat /tmp/output/result/part-r-00000a    2am    2are    2brother    1he    1how    2i    2is    3lily    1lily.    1my    2name    1she    1student!    2you?    2ubuntu@ubuntu:~$