Is there any difference between hdfs dfs and hadoop fs shell commands

+2 votes

Are both means the same? but, why the "hdfs dfs" commands show the local files while the "hadoop fs" commands show the hdfs files?

Mar 16, 2018 in Big Data Hadoop by nitinrawat895
• 11,380 points
32,475 views

10 answers to this question.

+1 vote

hadoop fs <args>

fs is used for generic file system and it can point to any file system such as local file system, HDFS, WebHDFS, S3 FS, etc.

hadoop dfs <args>

hdfs dfs <args>

dfs points to the Distributed File System and it is specific to HDFS. You can use it to execute operations on HDFS. Now it is deprecated, and you have to use hdfs dfs instead of hadoop dfs

Learn more about Big Data Architect and its concepts from the Data architecture course.

answered Mar 16, 2018 by anonymous
0 votes
fs refers to any file system, it could be local or HDFS but dfs refers to only HDFS file system.

So if you need to perform access/transfer data between different filesystem, fs is the way to go
answered Aug 22, 2018 by kurt_cobain
• 9,390 points
0 votes
Both of them are same. They are just different syntax of commands for different versions.
answered Oct 23, 2018 by Sharon

They are similar but they are not the same. fs is file system and it could be the normal file system. dfs is distributed file system

Oh. I did not know that. Thanks
0 votes
hdfs points to only hadoop file system whereas hadoop fs points to either local or hadoop file system
answered Dec 7, 2018 by Ash
0 votes
dfs means ditributed file system and fs means file system. Here, fs include local file system and hdfs
answered Dec 7, 2018 by Brock
0 votes

Here's a definition for both these command:

elif [ "$COMMAND" = "fs" ] ; then
  CLASS=org.apache.hadoop.fs.FsShell
  HADOOP_OPTS="$HADOOP_OPTS $HADOOP_CLIENT_OPTS"
elif [ "$COMMAND" = "dfs" ] ; then
  CLASS=org.apache.hadoop.fs.FsShell
answered Dec 7, 2018 by Misty
0 votes

You can find the definition of these commands and hence the difference in the hadoop file. Path:

$HADOOP_HOME/bin/hadoop
answered Dec 7, 2018 by Wadha
0 votes
hdfs dfs can be considered a subset of hadoop fs because hadoop fs includes hdfs along with different sile system
answered Dec 7, 2018 by Tara
0 votes
Hadoop fs contains different file systems like hdfs, local file system, web hdfs etc. And dfs is only distributed file system.
answered Dec 7, 2018 by Bint
0 votes

Yes, there's a difference between hadoop fs and hdfs dfs. hadoop fs is used to communicate with any file system. hdfs dfs is used to communicate particularly with hadoop distributed file system.

answered Dec 7, 2018 by Kunal

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