MapR 5.0 Documentation : hadoop version

The hadoop version command prints the hadoop software version.

Syntax

hadoop  version

Output

mapr@mapr-desktop:~$ hadoop version 
Hadoop 0.20.2-dev
Subversion  -r 
Compiled by root on Thu Dec  8 22:43:13 PST 2011
From source with checksum 19fa44df0cb831c45ef984f21feb7110