Common Hadoop DFS commands in Linux

Source: Internet
Author: User


Create a table of contents

Hadoop dfs-mkdir/home
Uploading files or directories to HDFs

Hadoop dfs-put Hello/
Hadoop dfs-put hellodir//
View Table of Contents

Hadoop Dfs-ls/
Create an empty file

Hadoop Dfs-touchz/361way
Delete a file

Hadoop Dfs-rm/361way
Delete a directory

Hadoop dfs-rmr/home
Renaming

Hadoop Dfs-mv/hello1/hello2
View Files

Hadoop Dfs-cat/hello
Merge all content in the development directory into a single file and download to local

Hadoop dfs-getmerge/hellodir WA
Use du file and directory size

Hadoop Dfs-du/
Copy Directory to Local

Hadoop dfs-copytolocal/home Localdir
To view DFS scenarios

Hadoop Dfsadmin-report
To view running Java programs

JPs

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