I have included the below commands in .bashrc file...

I have included the below commands in .bashrc file using vi editor as told in the tutorial. But when I give the "hadoop" at command prompt, i receive a message "-bash: Hadoop: Command not found". Please help.

export JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64

export HADOOP_PREFIX=/usr/local/Hadoop

export PATH=$PATH:$HADOOP_PREFIX/bin:$HADOOP_PREFIX/sbin