通过hadoop自带的demo运行单词统计

1）mkdir input 2）cd  intput 3）echo “hello word” > file1.txt 4）echo “hello hadoop” > file2.txt 5）echo “hello mapreduce” >> file2.txt 6） more file2.txt 7） hadoop fs -mkdir  /wc_input 8） hadoop fs -ls / 9） hadoop fs -put ~/input/fi* /wc_input 10）hadoop fs -ls  /wc_input 11） hadoop jar share/hadoop/mapreduce/hadoop-mapreduce-examples-2.7.3.jar wordcount /wc_input /output 12）hadoop fs -ls /output 13）hadoop fs -cat /output/part-r-00000

执行结果截图：