Hadoop shell Operation Command

Shell operation command:

HDFS path, defined in core-site.xml

<Property>

<Name> fs. Default. Name </Name>

<Value> HDFS: // master. hadoop: 9000 </value> master. hadoop namenode Host Name

</Property>

Use/to replace the current absolute path

Hadoop FS-ls/View content in the root directory of HDFS

Hadoop FS-LSR/recursively View content in the root directory of HDFS

Hadoop FS-mkdir/d1 create a folder D1 under the HDFS directory

Hadoop FS-put <Linux source> <HDFS destination> a specific path for uploading data from Linux to HDFS

Hadoop FS-Get <HDFS source> <Linux destination> downloads data from HDFS to a specific path in Linux

Hadoop FS-text <HDFS File> View HDFS files, similar to more in Linux <File Name>

Hadoop FS-RM Delete HDFS files

Hadoop FS-RMR delete folders in HDFS

Hadoop shell Operation Command