how to find hadoop distribution and version

Question

I have installed hadoop on vmware using centos now I want to find which hadoop distribution and version in hadoop .

When I am typing hadoop version in console I am getting

Hadoop 1.0.4 Subversion https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1.0 -r 1393290 Compiled by hortonfo on Wed Oct 3 05:13:58 UTC 2012 From source with checksum fe2baea87c4c81a2c505767f3f9b71f4

So I am confused which hadoop distribution I am using.

Answer 1

My Hadoop run on Ubuntu and when I type "hadoop version" in console it shows below:

Hadoop 2.4.0

Subversion http://svn.apache.org/repos/asf/hadoop/common -r 1583262

Compiled by jenkins on 2014-03-31T08:29Z

Compiled with protoc 2.5.0

From source with checksum 375b2832a6641759c6eaf6e3e998147

This command was run using /usr/local/hadoop/share/hadoop/common/hadoop-common-2.4.0.jar

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