1 cd /home/chenyong/paper/hadoop-1.1.2
2 mkdir input
cd input
echo "hello world !" > test1.txt
echo "hello hadoop" > test2.txt
echo "hello redhat" > test3.txt
3 ./bin/hadoop dfs -put input /in/*将input目录复制到hdfs根目录下,重命名为in,执行前out目录必须为空*/
./bin/hadoop jar hadoop-examples-1.1.2.jar wordcount /in /out
./bin/hadoop dfs -get /out output
cat output/*显示结果*/
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