Hadoop HDFs Shell

1. View Help

Hadoop fs-help <cmd>

2. Upload

Paths on files >

such as: Hadoop fs-put test.log/

3. View the contents of the file

Paths on Hadoop fs-cat

such as: Hadoop fs-cat/test.log

4. View File list

Hadoop Fs-ls/

5. Download the file

Paths on Hadoop fs-get

6, execution jar: such as the implementation of the WordCount Hadoop comes with the program,

Hadoop jar Hadoop-mapreduce-examples-2.4.1.jar Wordcount/wordcount/in/wordcount/out

Execution results such as:

650) this.width=650; "src=" Http://s2.51cto.com/wyfs02/M00/85/A6/wKiom1eq-QSy-eoLAAA1eU3vHHM273.png "title=" 20160810174828.png "alt=" Wkiom1eq-qsy-eolaaa1eu3vhhm273.png "/>

Hadoop HDFs Shell